Pennsylvania
1,151 stories you can hear on the road. Each dot is one of them.
Across the state
- Anthracite Coal and the Molly Maguires
- Drake's Well and the Birth of the Oil Industry
- Gettysburg, Three Days in July
- Pennsylvania, The Keystone
- Philadelphia and the Founding Documents
- Steel and the Homestead Strike
- The Johnstown Flood
- The Lenape and the Susquehannock, Peoples Before Penn
- The Pennsylvania Dutch, Deutsch in America
- The Pennsylvania Turnpike and the American Highway
- Three Mile Island
- William Penn's Holy Experiment
Near Allentown
- Allentown State Hospital: Firsts in American Psychiatric Care
- Bethlehem Steel: Armorer of a Nation
- Bethlehem Works: Where America Was Built
- Biery's Port: Catasauqua's Industrial Birthplace
- Billy Joel's Allentown: What the Song Got Right, and Where It Was About
- Bryden Horse Shoe Works
- C.F. Martin and the American Guitar
- Charles Schwab and Bethlehem Steel
- Crane Iron Works: The Furnace That Proved Anthracite
- Crown Inn: Bethlehem's First Tavern
- David Tannenberg, Pipe Organ Builder
- Dorney Park: From Trout Pond to Trolley Shrine
- Emmaus, Pennsylvania, Moravian Closed Village
- Emmaus: The Moravian Village Named for Scripture
- Enos Benner and the Paper That Kept Pennsylvania German Culture Alive
- Fort Deshler: A Swiss Immigrant's Stone Refuge
- Fountain Hill, Bethlehem Steel's Executive Enclave
- Frederick Leaser and the Liberty Bell
- Gemein Haus, Bethlehem's First House of Worship
- Glendon, Pennsylvania, A Town Built Around a Furnace
- Gnadenhuetten: First Settlement in Carbon County
- Hellertown: Palatine Brothers on the Saucon
- Hockendauqua and the Walking Purchase of seventeen thirty-seven
- Lehigh University: Built for the Industrial Age
- Lehigh Valley Silk Mills: The Other Industry
- Lock Ridge Iron Furnace
- Mack Trucks and the Bulldog: Born in Brooklyn, Made in Allentown
- Moses Tatamy: The Delaware Diplomat
- New Goschenhoppen: America's Oldest Reformed Church Register
- Richard Moore: Underground Railroad Safe House
- Silk City: Allentown's Other Industrial Life
- Slate Industry of Slatington
- The Cement Belt: Where Portland Cement Was Born in America
- The Fries Rebellion: Farmers Against the Federal Tax Man
- The Great Allentown Fair: Labor Day and Livestock Since 1852
- The Indian Walk of 1737: A Walk That Became a Fraud
- The Lafayette-Lehigh Rivalry
- The Lehigh Canal: Coal, Water, and the Birth of Industry
- The Lenape and Lehigh: Before the Valley Had a Name
- The Liberty Bell Comes to Allentown: September 1777
- The PPL Building: A Sculpted Mountain Downtown
- The President Pumping Engine, A Victorian Marvel of Water Power
- The Queen City: Allentown's Nickname and Its Meaning
- The Walking Purchase of Seventeen Thirty-Seven
- The Walking Purchase of Seventeen Thirty-Seven
- The Walking Purchase: A Swindle Measured in Running Shoes
- Trout Hall: The Oldest House in Allentown
- Whitefield House — A School for Enslaved Children That Became a Moravian Landmark
- William Allen Founds a Town: Northampton Towne, 1762
Near Erie
- Charlotte Battles: The Banker Who Defied Roosevelt
- Colonel Philip Cochran, Erie's War Hero
- Edinboro: The Oldest Teacher-Training School West of the Alleghenies
- Erie County: The Battle on the Lake and the Keystone Port
- Erie Land Light
- Fort Presque Isle and the French Foothold
- GE and the Locomotive Capital of the World
- Griswold Cast Iron: Erie's Kitchen Legacy
- Gudgeonville Covered Bridge
- Harry Kellar: Dean of American Magicians
- Hornby School: A One-Room Schoolhouse That Survived
- John Nelson: The First Union Leader GE Fired
- Miracles on Maple Hill: A Newbery Medal in Erie County
- North East and the Grape Belt
- North East, Pennsylvania: America's Grape Belt
- Presque Isle: Perry's Fleet and the Almost-Island
- Presque Isle: Where Perry Won the Lake
- Redlining, the Riot, and the Long History of Race in Erie
- Strong Vincent and the Defense of Little Round Top
- The Brig Niagara: A Ship Reconstructed Three Times
- The Eagle Hotel: Stagecoach Stop on the Northwestern Frontier
- The Erie People and the Lake That Carries Their Name
- The Gauge War: Erie Tears Up the Tracks
- The Rust Belt Reckoning: Erie After the Mills Closed
- Waterford Covered Bridge: The North's Last Crossing
Near Harrisburg
- Army Heritage Trail: Walking Through American Wars
- Battle of Carlisle, J.E.B. Stuart Shells a Pennsylvania Town
- Battle of Carlisle: Stuart Shells the Barracks
- Becoming a Capital: The Politics of Pennsylvania's Third Seat
- Blue Mountain Forts: The Paxton Rangers' Line
- Broad Street Market: One Hundred and Sixty Years of Farmers
- Camp Curtin: Three Hundred Thousand Soldiers
- Carlisle Barracks: Second Oldest Post in America
- Carlisle Barracks: Two and a Half Centuries of American Arms
- Carlisle Indian Industrial School: Kill the Indian, Save the Man
- Carlisle, Pennsylvania, Frontier Outpost, Military Town
- Carson Long Military Institute: Pennsylvania's Oldest Military School
- City Island: Baseball, Floods, and the River at the Center
- Daniel Drawbaugh: The Man Bell Telephone Beat in Court
- Daniel Kaufman: Fined and Unbowed
- Dauphin: French Title on a Pennsylvania River
- Dickinson College: First Charter of the New Republic
- Dickinson College: First College of a New Nation
- Duncannon: Where Two Rivers and a Trail Meet
- Enola Yard: Once the World's Largest Freight Yard
- Ewell's March to Gettysburg
- Farthest North of the Confederate Army
- First Reformed Presbyterian Communion in America
- First State Police Force in America
- Forbes Road: The Army's Highway to Fort Duquesne
- Fort Hunter: Frontier to Farmstead
- Fort Indiantown Gap: Pennsylvania's Training Ground
- Frederick Watts and the Birth of Penn State
- George Croghan: Architect of the British Fur Empire
- Gettysburg Campaign: Confederate Scouts at Mechanicsburg
- Gettysburg Campaign: Farthest Confederate Advance
- Harris's Ferry: Where the City Was Born
- Harrisburg Cemetery: Thirty Thousand Stories Under the Oaks
- Henszey's Wrought Iron Arch Bridge
- Highspire: Canal Town on the Susquehanna
- Hummelstown Brownstone: The Stone That Built Gilded Age America
- Hummelstown Gun Factory: Pennsylvania's Secret Arsenal
- Lewisberry: Quakers, Gunsmiths, and the Continental Army
- Lincoln Cemetery, A Landmark of Black History
- Marcus Reno: The Officer Who Survived Little Bighorn
- Marysville: The Susquehanna's Quiet West Bank
- Mechanicsburg
- Messiah University
- Middletown, Pennsylvania
- Millersburg Ferry
- Milton Hershey and the Town He Built
- Milton S. Hershey: Chocolate, Caramels, and a Model Town
- Mira Lloyd Dock and the City Beautiful
- Molly Pitcher, Mary Hays of Carlisle
- Molly Pitcher's Carlisle
- New Cumberland: Four Names for One River Town
- Newport Fugitive Slave Rescue: A Town Defied the Law
- Old West, Dickinson College
- Oliver Pollock, Forgotten Financier
- Pennsylvania Canal
- Pennsylvania Canal: Eastern Division
- Pennsylvania Canal: The Juniata Division
- Pennsylvania Canal: The Susquehanna Division
- Pennsylvania Farm Show: A Century of Agriculture
- Ralph Abele and the Shad That Came Back
- Robert Whitehill and the Bill of Rights
- Shiremanstown: The Ironmaster's Town
- Simon Girty: The Great Renegade
- Skirmish of Sporting Hill, The Northernmost Confederate Advance
- Steelton: The First Town Built Just to Make Steel
- Steelton: Where American Steel Was Born
- Stony Ridge Convention and the Bill of Rights
- Susquehannock Village at Lemoyne
- Tanner's Alley and the Underground Railroad
- The Carlisle Indian School: Kill the Indian, Save the Man
- The Confederate Advance: How Close They Really Got
- The Craighead Family
- The First Pinchot Road
- The Great Floods: The Susquehanna Always Wins
- The John Harris and Simon Cameron Mansion
- The Millersburg Ferry: Last of the River Crossings
- The National Civil War Museum
- The National Civil War Museum: The War That Made Harrisburg
- The Old Eighth Ward: The Neighborhood Erased for the Capitol
- The Pennsylvania Railroad: When Harrisburg Ran Everything
- The Pennsylvania State Capitol: Palace of Art and Scandal
- The Rockville Bridge: A Million Tons of Stone
- The Walnut Street Bridge: The People's Bridge
- Three Mile Island: Fifty-Two Percent of a Meltdown
- Three Mile Island: The Nation's Worst Nuclear Accident
- Three Mile Island: The Night the Reactor Cracked
- What Was Here Before: Hershey, Pennsylvania
- Wildwood Park: From Wetzel's Swamp to City Beautiful
- William Bigler: Pennsylvania's Forgotten Double Governor
- William Howard Day — Abolitionist and Educator
- Williams Grove and the Great Grangers' Picnic
Near Intercourse
- Anabaptists: A Faith Born Under Persecution
- Barn Raisings, Quilts, and Mud Sales
- Barney Ewell, the Sprinter War Cancelled Twice
- Boehm's Chapel: Pennsylvania's Oldest Methodist Structure
- Buggy, Bonnet, and the Ordnung
- Charlotte Moore Sitterly, Astronomer
- Coatesville and Lukens Steel
- Conestoga Indian Town
- Conestoga Navigation Company Canal
- Conestoga Wagons and the Fertile Ground
- Ephrata's Women Composers
- Evan Pugh: Penn State's First President
- First Huguenot Settlement — Paradise, Lancaster County, seventeen ten
- Franklin & Marshall College
- George Spratt's Farm: Where the Wright Brothers Found a Key Answer
- Governor William C. Sproul
- Hopewell Historic District
- Hosanna Meeting House
- Ida Ella Ruth Jones: Folk Artist of Chester County
- Isaac Long Barn and the United Brethren
- Jim Croce's Pennsylvania Farmhouse
- John Fritz, Iron and Steel Pioneer
- Kissing Bridges: Lancaster's Covered Spans
- Kitchen Kettle Village: Jam in a Garage
- Lancaster Station
- Millersville University: Pennsylvania's First Normal School
- Nickel Mines and the Amish Theology of Forgiveness
- Nickel Mines: Tragedy and Forgiveness
- Parker Kidnapping, Nottingham
- Pennsylvania Dutch: The German Who Are Not Dutch
- Peter Grubb's Hopewell Iron Forge
- Philadelphia and Lancaster Turnpike: America's First Major Toll Road
- Red Caboose Motel, Lancaster County
- Robert Fulton, Steamboat Pioneer
- Shoofly Pie and the Farm Market
- Slaymakertown and the Lafayette Visit
- Speedwell Forge
- Springton Manor: The Penns' Largest Chester County Estate
- Stiegel-Coleman House
- Strasburg Rail Road
- Strasburg Rail Road, America's Oldest
- The Amish of Lancaster: Three Hundred Years of Deliberate Separateness
- The Christiana Riot
- The Lynching of Zachariah Walker
- The Name Intercourse: Three Theories
- The Paxton Boys and the Conestoga Massacre: December 1763
- Whittier C. Atkinson: Doctor to All, Regardless of Ability to Pay
- William Chester Ruth: Inventor of the Baler Feeder
- Witmer's Tavern: A Surviving Colonial Waypoint
- Witness: When Hollywood Came to the Crossroads
- Zimmerman and Sons: The Store That Lit Up Town
Near Pittsburgh
- Andy Warhol's Pittsburgh
- Art Rooney: The Chief Who Built the Steelers
- August Wilson, Pittsburgh's Playwright of the Hill
- Bethel Presbyterian Church: Founded in Revolution
- Birthplace of Stephen Foster
- Bower Hill and the Whiskey Rebellion
- Braddock Carnegie Library
- Braddock's Defeat
- Bridgeville, Pennsylvania
- Canonsburg: The Small-Town Music Capital of the World
- Carnegie Hero Fund Commission
- Carnegie, Pennsylvania: Named for a Library
- Carnegie's Steel Mill and the Bessemer Age
- Charleroi: The Glass Town They Built to Order
- Chartier's Old Town: A Shawnee Crossroads
- Chatham Village, Pittsburgh: A Depression-Era Garden City
- Christian Anfinsen: Nobel Laureate from Monessen
- Crawford Grill: Pittsburgh's Jazz Cathedral
- Davis Island: Where the Ohio River Was Tamed
- Delvin Miller and The Meadows: Harness Racing's Home in Pennsylvania
- Dick Thornburgh: Three Mile Island and the Americans with Disabilities Act
- Dr. Jonathan Letterman — Father of Battlefield Medicine
- Dravo Shipyard: Building the LSTs
- Duquesne Steel: Where Carnegie Built His Empire
- Eddie Adams and the Saigon Execution
- Eighty Four, Pennsylvania
- Fanny Sellins: Murdered on the Eve of a Steel Strike
- Fatha Hines: The Father of Modern Jazz Piano
- First Croatian Catholic Parish in America
- Forbes Field, Pittsburgh's First Palace of Baseball
- Fort Duquesne, Where Empires Collided
- Fort Pitt Museum, Pittsburgh
- Fort Pitt, Birthplace of Pittsburgh
- Frederick Ingersoll: Father of the American Amusement Park
- General Matthew Ridgway: The Soldier Who Said No to Escalation
- George Westinghouse and the Air Brake
- Hartwood Acres Park
- Heidelberg Raceway: Where the Big Top Fell
- Heinz and the Fifty-Seven Varieties
- Helen Richey, First Woman to Fly the Mail
- Homestead Strike of 1892
- Homestead Strike Victims: The Battle of July Sixth
- Irwin: Coal, Railroad, and a Founder's Name
- Jackie Ormes, Trailblazing Cartoonist
- Jane Holmes: Pittsburgh's Founding Philanthropist
- John M. Phillips: Architect of Pennsylvania's Game Lands
- Joshua Meeks: Fort, Polling Place, and One-Man Democracy
- K. Leroy Irvis, First Black Speaker Since Reconstruction
- KDKA and the Birth of Broadcasting
- KDKA: The Radio Station That Started It All
- Kennedy vs. Nixon: Their First Debate, Thirteen Years Early
- Kuskusky Path — Native Highway Through Wexford
- Lois Weber: America's First Woman Film Director
- Martha Graham: Born in Pittsburgh, Changed How Bodies Move
- McKees Rocks Bloody Sunday
- McKees Rocks Mound: Two Thousand Years Underground
- McKees Rocks Strike of Nineteen Oh Nine
- Mingo Creek Church, Cradle of the Whiskey Rebellion
- Monongahela River Navigation System
- Monroeville, Pennsylvania
- Oakmont Country Club
- Oakmont Country Club: America's Toughest Test
- Old Economy: The Harmony Society's Final Chapter
- Pitcairn: The Yard That Ran Pittsburgh's Freight
- Pittsburgh Cleans Its Air
- Pittsburgh Grease Plant: Lubricating the War Effort
- Point State Park, The Confluence That Made Pittsburgh
- Reverend John McMillan, Pioneer Preacher of the Western Frontier
- Roberto Clemente
- Salk Polio Vaccine: The Lab That Ended a Terror
- Simon Girty: The Man Between Two Worlds
- Stan Musial, Born in Donora
- Stephanie Kwolek and the Invention of Kevlar
- Teenie Harris, Chronicler of the Hill District
- The Allegheny Arsenal Explosion
- The Bost Building and the Homestead Strike
- The City of Bridges
- The Donora Smog of Nineteen Forty-Eight
- The Duquesne Incline and Mount Washington
- The First Aluminum Observatory Dome
- The First Drive-In Gas Station
- The Forks of the Ohio
- The Great Fire of Eighteen Forty-Five
- The Hill District, Crossroads of the World
- The Homestead Strike of Eighteen Ninety-Two
- The McDonald Oil Field
- The Mellon Family
- The Polio Vaccine Begins Here
- The Steel Collapse
- The Tech Reinvention
- Three Rivers Stadium — City of Champions
- Urban Renewal and the Civic Arena
- Venango Path — Young Washington's Winter Journey
- Westinghouse Air Brake: How Trains Learned to Stop
- Westinghouse and the Natural Gas Revolution
- Westinghouse Atom Smasher: A Five-Story Pear of Pure Science
- Westinghouse Shortwave Radio Pioneer Station
- Wilkinsburg, Pennsylvania
- William D. Boyce and the Boy Scouts of America
- William T. Kerr: Father of Flag Day
- Willie Thrower: First Black Quarterback in the Modern NFL
Near Reading
- Adamstown, Pennsylvania
- Anthony Sadowski, Polish Pioneer
- Berkshire Knitting Mills and Wyomissing Industries: The Factory Borough
- Colebrookdale Furnace: Pennsylvania's First Iron
- Daniel Boone's Birthplace: The Oley Valley and the Frontiersman's First Home
- Denver, Pennsylvania
- Exeter Friends Meeting: Lincoln's Ancestors Rest Here
- Falkner Swamp Reformed Church, Founded 1725
- Fleetwood — Where Cadillac Got Its Name
- Franklin Gowen and the Molly Maguires: The Railroad Man Who Prosecuted a Labor Movement
- Hamburg, Pennsylvania
- Inventing the Outlet Mall: Reading and the Birth of Factory Retail
- James Maurer: Reading's Labor Champion
- John Updike's Reading: The City Behind the Rabbit Novels
- John Updike's Shillington: Where Rabbit Began
- July Twenty-Third, Eighteen Seventy-Seven: The Seventh Street Cut
- Keith Haring: Art Is for Everybody
- Lincoln's Pennsylvania Roots
- Little Tulpehocken Church: Stoever's Lutheran Parish
- One Red Rose: Caspar Wistar's Tulpehocken Gift
- Port Clinton, Where Anthracite Came Down the Mountain
- Pottsgrove Manor
- Pretzel City: How Reading Became the Hard Pretzel Capital of America
- Rhoads Opera House Fire
- Roadside America, World's Greatest Indoor Miniature Village
- Robesonia Furnace: Iron Town on a Hill
- Schaefferstown: One of North America's Oldest Public Water Systems
- Solomon Boscov
- The Founding: Penn's Sons and the Town of Reading
- The Lenape and the Schuylkill: A River People's Country
- The Pagoda on Mount Penn: A Japanese Fantasy Above a Pennsylvania City
- The Poorest City: Deindustrialization and What It Left Behind
- The Reading Eagle: One Hundred and Fifty Years of a City's Newspaper
- The Reading Railroad: Coal, Capital, and the Monopoly Square
- Thomas Rutter: Pennsylvania's First Ironmaster
- Thompson's Rifle Battalion: The First March to Boston
- Tulpehocken Path: The Six Nations Road to Philadelphia
- Union Canal: Pennsylvania's Inland Waterway
Near Scranton
- A City of Immigrants: Welsh, Irish, Poles, and Italians
- Amedeo Obici and Planters Peanuts
- Arthur James: From Breaker Boy to Governor
- Ashley Planes: The Coal Lifts of the Wyoming Valley
- Big Ed Walsh, Baseball's Iron Arm
- Breaker Boys: Children in the Coal
- Carbondale, Pennsylvania: The First Underground Mine
- Christy Mathewson — A Gentleman Among Giants
- Down in the Mine: The Lackawanna Coal Mine Tour
- Dupont: Named for the Powder That Blasted the Coal
- Erie Railroad v. Tompkins — Where Federal Law Changed
- Governor Robert Casey and the Children's Health Insurance Program
- Harveys Lake: Pennsylvania's Resort Era
- Hickory Grove Cemetery
- Huber Coal Breaker and Blue Coal
- John Mitchell and the Strike That Changed American Labor
- Knox Mine Disaster
- Munsee Indian Village and Chief Capoose
- Nay Aug Park: The Gorge the City Kept
- Old Forge, Pizza Capital of the World
- Pancoast Mine Fire, Throop, 1911
- Pittston and the Anthracite Era
- Rocky Glen Park, a Century of Northeastern Pennsylvania Summers
- Roxy Rothafel: The Man Who Invented the Movie Palace
- Scranton's Silk Mills: The Second Industry
- Shawnee Fort and the Battle of Wyoming
- Steamtown and the Age of Steam
- Steamtown and the Anthracite Corridor: What Coal Country Became
- Terence Powderly and the Mayor Who Built a Labor Movement
- The 1902 Anthracite Strike: The President Who Didn't Break the Strike
- The American Institute of Mining Engineers, Founded Here
- The Baltimore Mine Tunnel Disaster
- The Electric City: Scranton's Trolley Revolution
- The Gravity Railroad: One of America's Firsts
- The Iron Furnaces of Cedar Avenue
- The Knox Mine Disaster: The Day the River Came In
- The Lackawanna Station: A Palace for Passengers
- The Lion Brewery
- The Molly Maguires and the Shadow War in the Coal Fields
- The Scranton Family and the Birth of an Industrial City
- The Scranton Massacre and the Great Railroad Strike
- The Tripp House: Oldest in Lackawanna County
- The University of Scranton, Coal Town to Jesuit Campus
- Tunkhannock Viaduct: A Wonder of Concrete
- Twin Shaft Disaster: Fifty-Eight Men Lost
- Walter Tewksbury, Five-Medal Olympian from Tunkhannock
- Wilkes-Barre, The Diamond City
- William Gildersleeve — Underground Railroad, Wilkes-Barre
- Wyoming County: Extensive Meadows and Sullivan's March
Near Trenton
- Andalusia and the Bank War
- Andalusia: Nicholas Biddle's Greek Revival Gamble
- Anna Thomas Jeanes and the Negro Rural School Fund
- Bogart's Tavern and the Birth of Bucks County's Revolution
- Byberry Hall and Robert Purvis
- Crooked Billet: Lacey's Militia Surprised
- Durham Road Milestone: One Mile to Newtown
- Frankford Avenue Bridge: America's Oldest Road Bridge
- Greenbelt Knoll, Philadelphia's First Racially Integrated Neighborhood
- Harold Pitcairn: The Man Who Built the Autogiro
- Historic Fallsington
- Historic Fallsington: William Penn's Meeting Place
- Holbert Racing: A Porsche Dynasty
- Honey Hollow: First Conservation Watershed in the Nation
- Hulmeville: Where Bucks County Banking Began
- Johnsville: Where Astronauts Trained for Space
- Katharine Drexel: Heiress to a Mission
- Langhorne Speedway: The Big Left Turn
- Levittown, Pennsylvania
- Log College, the Rustic School That Built Princeton
- Moland House, Washington's Headquarters 1777
- Morrisville: Where Penn Landed and Washington Launched
- Oscar Hammerstein: 'Oh, What a Beautiful Morning'
- Pennepack Baptist Church, Founded 1688
- Pennypack Creek Bridge: Oldest Road Bridge in the Nation
- Playwicky Indian Town: Chief Tammany and the Lenape Land Sale
- Revolutionary War Burial Site
- Richboro Nike Missile Battery
- Rochambeau Route — The March to Yorktown
- TIROS One: Earth's First Eye in Space
Near Wilmington
- American Viscose: The Birth of Rayon in North America
- Ann Preston, Pioneer Physician
- Anna Howard Shaw — Suffragist and War Hero
- Baldwin Locomotive Works: Seventy Thousand Engines
- Battle of Brandywine
- Battle of Brandywine: The British Flank Attack
- Battle of Brandywine: Washington's Costly Defeat
- Battle of Paoli, The Paoli Massacre
- Battle of the Clouds, September 1777
- Camp Elder — Union Prisoners After Gettysburg
- Caroline Kilgore: Sixteen Years to Practice Law
- Casimir Pulaski at Brandywine
- Dr. Anna Broomall: Pioneer of Prenatal Care
- Dr. George Smith: Delaware County's Doctor-Senator-Historian
- Dr. Philip Jaisohn, Korea's First Modern Voice
- Duffy's Cut Mass Grave
- Eddystone, Pennsylvania
- Ethel Waters: Chester's Voice on Broadway and Beyond
- Eusebius Barnard: The Underground Railroad Farm
- FBI Office Burglary: Exposing COINTELPRO
- Folcroft and the Baker Incident
- Frederick Douglass at West Chester
- G. Raymond Rettew and the Penicillin Breakthrough
- Glen Mills and the Paper That Fooled Counterfeiters
- Humphry Marshall, Father of American Dendrology
- Indian Hannah, Last of the Lenape in Chester County
- Isaac and Dinah Mendenhall, Underground Railroad
- Ivy Mills: Paper for a Revolution
- John Beale Bordley and the Science of Farming
- John Heinz National Wildlife Refuge: America's First Urban Refuge
- John Morton, Decisive Signer
- Joshua Pusey and the Paper Matchbook
- Lazaretto Quarantine Station
- Leiper Railway
- Lower Swedish Cabin: The Log House That Made Movies
- Martin Luther King Jr. at Crozer Theological Seminary
- Mildred Scott Olmsted, Lifelong Peacemaker
- Minguannan: Where the Lenape Sold Their World
- Morton Morton House: Delaware County's Swedish Roots
- Okehocking: Penn's Only Indian Reservation
- Queonemysing: The Lenape Land Sale to William Penn
- Sun Shipbuilding: World's Largest Shipyard in World War Two
- Sunset Park: Country Music's Hidden Stage in Chester County
- Tatiana Proskouriakoff: Cracking the Maya Code
- The Brinton 1704 House: Quaker Stone, Brandywine Ground
- The Manor of Steyning: William Penn's Gift to His Children
- The Philadelphia Lazaretto: America's First Quarantine Station
- The Printzhof: Pennsylvania's First European Capital
- The Slinky
- Thomas Garrett: Two Thousand Seven Hundred Freedom Seekers
- Thomas Massey House: Three Centuries of Pennsylvania Architecture
- Thomas McKean: The Man Who Pushed Caesar Rodney
- Williamson Free School: Trades for Free
Near Wisp
Near York
- Abbottstown: Eastern Door of the Lincoln Highway
- Birthplace of Commercial Ice Cream
- Bob Hoffman: Father of World Weightlifting
- Camp Security: British Prisoners of the Revolution
- Captain Thomas Cresap and the Border War
- Codorus Furnace: York County's Oldest Iron Landmark
- Conoy Indian Town: A People Between Empires
- First Town West of the Susquehanna
- George Leader: The Farm Boy Who Rewired Pennsylvania
- Gettysburg Campaign: The Raid on Jefferson
- Great Minqua Path
- Hanover Junction: Lincoln's Stop on the Way to Gettysburg
- Harley Comes to York
- Inky Stinky
- Jacobus: New Paradise, Renamed for Misdelivered Mail
- July Nineteen Sixty-Nine
- Lafayette's Toast
- Lincoln Highway: America's First Coast-to-Coast Road
- Loganville: The Town They Called Saddlebags
- Martin Chartier — La Salle's Frontiersman and Penn's Interpreter
- Muscletown USA
- New Freedom: First Stop on Northern Soil
- Samuel Haldeman: Scientist and Philologist of the Conestoga Valley
- Shrewsbury: York County's Finest Turnpike Streetscape
- The Factory Town That Made Everything
- The Fugitive Congress
- The Haines Shoe House
- The Market on the Square
- The Pullman of York
- The River Brethren
- The Snap Test
- The White Rose City
- Two Hundred Years of Clay
- Washington Boro: Eleven Thousand Years on the Susquehanna
- Wrightsville and the Burning Bridge, 1863
- York Fair: Oldest Agricultural Fair in America
- York Iron Company Mine
- York Water Company, America's Oldest Utility
- York, Pennsylvania, The Wartime Capital
Near Youngstown
- C. Frederick Post: The Moravian Who Ended the French Alliance
- Enon Valley: The Valley of Many Waters
- Farrell, Pennsylvania: Born Overnight in Steel
- Friedensstadt — The Moravian City of Peace on the Ohio Frontier
- Hermitage, Pennsylvania: Steel Town That Changed Its Name
- New Castle and the Tin-Plate Capital of America
Along the way
- A.S.W. Rosenbach: The Man Who Bought the World's Books
- A.W. Tozer: The Self-Taught Mystic of Clearfield County
- Abolition Hall, Plymouth Meeting
- Abraham Pennock, Abolitionist of Hoodland
- Absalom Hazlett: Soldier in John Brown's Army
- Adams County: Three Days That Remade a Nation
- African American Baseball in Philadelphia
- Albert Gallatin, America's Longest-Serving Treasury Secretary
- Albert Gallatin's Glassworks: First Factory West of the Alleghenies
- Allegheny College: McKinley, Darrow, and Ida Tarbell
- Allegheny Portage Railroad: Boats Over the Mountains
- America's First Iron Puddling Furnace
- American Bandstand: Born in Philadelphia
- Anna Morris Holstein and the Saving of Valley Forge
- Antes Fort — The Big Runaway of seventeen seventy-eight
- Anthony Palmer, Founder of Kensington
- Anthony Wayne's Legion of the United States
- Arch Street Friends Meeting House: The World's Largest Quaker Hall
- Arnold Nawrocki: The Man Who Wrapped Your Cheese
- Ashland Boys' Association
- Athens, Pennsylvania — Tioga Point and the Sullivan Campaign
- Austin Flood Disaster
- Avondale Mine Disaster
- Baker Bowl: Philadelphia's Lost Baseball Palace
- Baker Mansion: Iron Money and Greek Columns
- Bartram's Garden
- Battle of Edge Hill: The Week Before Valley Forge
- Battle of Germantown
- Battle of Hunterstown: Cavalry Before Gettysburg
- Battle of Matson's Ford
- Battle of the Clouds
- Beaver Stadium and the Nittany Lions
- Bedford, Pennsylvania
- Bedford, Pennsylvania: From Raystown to Fort to Borough
- Bellefonte Forge House: The Ironmaster's Home
- Bellefonte, Pennsylvania
- Bellefonte: The Town That Made Seven Governors
- Ben Austrian and the Bon Ami Chick
- Benjamin Franklin's Philadelphia: Printer, Postmaster, Lightning Rod
- Benjamin Lay, Radical Abolitionist
- Benjamin Walker Homestead: Underground Railroad in Bedford County
- Bentleyville, Pennsylvania
- Berlin and the Whiskey Rebellion
- Bert Bell and the Making of the NFL
- Berwick, Pennsylvania
- Betsy Ross House: The Flag and the Woman
- Betzwood: The Movie Studio in the Meadow
- Big Beaver, Pennsylvania
- Birth of Cable Television: Mahanoy City, Pennsylvania
- Birth of Rural Free Delivery
- Birthplace of George C. Marshall
- Blooming Grove Dunkard Settlement
- Bloomsburg, Pennsylvania's Only Town
- Blossburg: Coal Before the Railroads Came
- Boathouse Row, Philadelphia
- Bomberger's Distillery
- Booth Maternity Center, Pioneer of Family-Centered Birth
- Bowman Field: Baseball's Second-Oldest Diamond
- Braddock Expedition Supply Depot
- Braddock's March: The Camp Before the Disaster
- Braddock's Road
- Braddock's Road: The March That Ended in Disaster
- Bradford Oil Refinery
- Brady's Bend: Frontier Scout Country
- Breezewood, Pennsylvania
- Breezewood: The Town That a Law Made Famous
- Broadway Joe: Joe Namath in Beaver Falls
- Brookville: Pennsylvania's Jefferson County Seat
- Bryn Mawr College, Where Women Could Earn a Ph.D.
- Bucknell University: A Baptist College on the Susquehanna
- Bullet's Defeat
- Butler County and the Harmony Society
- Buttonwood Covered Bridge
- Byron D. Benson and the Long-Distance Pipeline
- C. DeLores Tucker, First Black Secretary of State in the Nation
- Calumet: A Patch Town Henry Frick Built and Then Closed
- Cambria County: Wales in Pennsylvania, and the Man Who Found the North Pole
- Cambridge Springs, Pennsylvania's Mineral Water Resort
- Camp Reynolds — Million Troops and Racial Unrest
- Camp William Penn: Training Ground for the United States Colored Troops
- Canfield Island — Five Thousand Years of Fishing the West Branch
- Captain John Brady, Patriot and Frontier Soldier
- Carnegie's Last Library: Wyoming Avenue Branch
- CCC Camp S-One Twenty-Six: Young Men in the Depression Forest
- Celestia, the City Deeded to God
- Centre Furnace: Iron from the Revolution
- Chambersburg: The Town the Confederates Burned
- Chanticleer Garden, Wayne
- Charles Margiotti: Punxsutawney's Son at the Bar
- Chester Springs: The Army's Only Purpose-Built Hospital
- Chinese Workers in Beaver Falls: Exclusion's Pennsylvania Chapter
- Christ Church: America's Steeple
- Christopher Saur and the First Bible in America
- Church of the Advocate: Where Women Became Priests
- Civilian Conservation Corps in Pennsylvania
- Clarion, Pennsylvania: Named for Its River
- Claysville, Pennsylvania
- Clearfield County: Logs, Rafts, and Clear Fields
- Colonel Edward Cook and the Whiskey Rebellion
- Colonel Stroud and the Moravian Mission at Dansbury
- Colonel William Crawford — Pioneer, Soldier, and the Sandusky Expedition
- Concrete City
- Conneaut Lake, Pennsylvania: The Blue Streak Still Runs
- Connellsville Coke Region
- Connie Mack: Grand Old Man of Baseball
- Conshohocken: The Schuylkill Mill Town
- Cornplanter, Seneca Diplomat
- Cornwall Iron Furnace: Two Centuries of Iron
- Corry State Fish Hatchery: Pennsylvania's Pioneer Trout Hatchery
- Cresson Tuberculosis Sanatorium
- Cynthia Catlin Miller and the Underground Railroad at Sugar Grove
- Cyrus Curtis — The Man Behind the Saturday Evening Post
- Darr Mine Disaster
- David Bradford House: Birthplace of the Whiskey Rebellion
- David Zeisberger — First Through the Upper Allegheny Forests
- Delaware Water Gap: The River That Split a Mountain
- Densmore Tank Cars: How Oil Moved to Market
- Desegregation of Pennsylvania Schools
- Devon Horse Show
- Doctor McCleery's Wolf Park: Saving the Lobo from Extinction
- Donegal, Pennsylvania
- Doylestown Agricultural Works
- Dr. Alice Evans: The Woman Who Saved the Milk
- Dr. Chevalier Jackson, Pioneer of Bronchoscopy
- Dr. Robert Mitchell and the Fugitive Slave Act
- Drums, Pennsylvania: One Family, One Hundred Years of Mail
- DuBois, Pennsylvania: Lumber Capital of the World
- Dushore — Named for a French Admiral
- Eagle Grange No. One, Pennsylvania's First
- East Stroudsburg: Gateway to the Poconos
- Eastern State Penitentiary: The Quakers Invented Solitary Confinement
- Eckley Miners' Village
- Edgar Allan Poe's Philadelphia: The Decade That Made the Horror
- Edison High School and the Vietnam War's Unequal Burden
- Edward Abbey: Wilderness Voice from Indiana County
- Eli Slifer and the Civil War Home Front
- Ellen Phillips Samuel Memorial, Philadelphia
- Emlenton, Pennsylvania: Named for Hannah, Found Oil Instead
- Espy House
- Etna Furnace: Juniata Iron Country
- Everett, Pennsylvania
- Everett, Pennsylvania: From Bloody Run to Everett
- F. Julius LeMoyne House
- Fairview Park: Pennsylvania's Only Black-Owned Amusement Park
- Fallingwater
- Falls Creek, Pennsylvania: From Two Villages to One Borough
- Farnsworth's Charge: The Last Assault at Gettysburg
- Father Christy, the Fighting Chaplain
- Father Heyer, First American Lutheran Missionary to India
- Fayette City, Pennsylvania
- First African Baptist Church: Where Two Men Sold Themselves to Free Another
- First Pennsylvania State Troopers Killed in the Line of Duty
- First Troop Philadelphia City Cavalry: America's Oldest Military Unit
- First Union Soldier Killed in Pennsylvania
- Firth Dock and the Schuylkill Coal Trade
- Fishbasket: A Shawnee Town on Redbank Creek
- Fishing Creek Confederacy
- Flight 93 National Memorial, Let's Roll
- Flora Black and the Society of Farm Women
- Forbes Road at the Raystown Path Fork
- Forbes Road: The Path That Became a Nation's Highway
- Forbes Road: Washington and Bouquet Choose a Route
- Forest County and Zeisberger's Mission to the Munsees
- Fort Allen: Frontier Defense in Dunmore's War
- Fort Antes and the Big Runaway of 1778
- Fort Bedford
- Fort Bedford
- Fort Bedford: Grand Central of the Forbes Campaign
- Fort Granville: Lost on the Juniata
- Fort Hamilton, Benjamin Franklin's Frontier Defense
- Fort Indiantown Gap: Stevedores, Segregation, and D-Day
- Fort Juniata Crossing: First Link in Forbes Road
- Fort Ligonier: Gateway to Pittsburgh
- Fort Ligonier: Staging Ground for the Forbes Expedition
- Fort Loudon — Frontier Gateway and the Black Boys Revolt
- Fort Loudoun: The Road to the Ohio Starts Here
- Fort Marshall and the Conococheague Frontier
- Fort McCord
- Fort McDowell and the Frontier Road West
- Fort Mifflin: The Siege That Saved Washington's Army
- Fort Muncy: Three Times Built, Twice Destroyed
- Fort Necessity: Washington's First Defeat
- Fort Roberdeau and the Lead Mines of Sinking Valley
- Fort Shirley and the Frontier Diplomacy of George Croghan
- Fort Sullivan: Soldiers Buried After the Battle of Chemung
- Foxburg Country Club: Golf's Oldest American Home
- Frackville: Daniel Frack's Mountain City
- Frankford Arsenal: The Street That Beat Hitler
- Frankford Friends Meeting House
- Frederick Muhlenberg — First Speaker of the House
- Freedom Now Rally: Martin Luther King in Philadelphia, 1965
- Freedom Road Cemetery
- French Azilum: Nobles in the Pennsylvania Wilderness
- Friedenshuetten: Zeisberger's Model Mission
- Fulton County and the Gettysburg Campaign
- Gabby Gabreski: America's Greatest Fighter Ace
- Galena-Signal Oil and the Standard Oil Monopoly
- Garard's Fort and the Corbly Massacre
- General James Gavin, Airborne Commander
- George Earle and Pennsylvania's Little New Deal
- George Rosenkrans, Band Composer
- George Wirt and Pennsylvania's First Forestry School
- Gettysburg Campaign: The Earthworks That Were Never Needed
- Gettysburg College: In the Eye of the Battle
- Gettysburg: Company B Flanks the Flank at Little Round Top
- Gettysburg: The 11th Pennsylvania Holds Through Three Commanders
- Gettysburg: The 15th New York Battery Opens on Cemetery Ridge
- Gettysburg: The 75th Pennsylvania and the Commonwealth's Monument Fund
- Gettysburg: Three Days That Decided the War
- Gettysburg's East Cavalry Field: Stopping Jeb Stuart
- Gilberton: Coal Town Built on Lease and Luck
- Girardville: Molly Maguires and the Pardoned King
- Glomar Explorer and the Jennifer Project
- Gloria Casarez, Philadelphia's First LGBT Affairs Director
- Governor John S. Fine
- Governor Simon Snyder: Pennsylvania's First German-American Governor
- Graceanna Lewis, Naturalist and Abolitionist
- Great Bend: Where the Susquehanna Curves
- Great Central Fair, Philadelphia, 1864
- Great Cove Massacre of Seventeen Fifty-Five
- Greencastle, Pennsylvania
- Greene County: America's Last Deep-Mine Coal County
- Greensburg: Born from Ashes on the Lincoln Highway
- Grey Towers: Where American Conservation Was Born
- Groundhog Day: The Punxsutawney Origin
- Grove City, Pennsylvania: From Pine Grove to Grove City
- Gulph Mills: The Bird-in-Hand Store
- Hack Wilson, Ellwood City's Home Run King
- Hakim's Bookstore
- Hallstead: The Town Named for the Railroad That Made It
- Harmony: A Utopian Community on the Pennsylvania Frontier
- Harmony: The Utopians Who Moved Twice
- Harold Red Grange — The Galloping Ghost
- Hart's Log: A Hollow Tree on the Frankstown Path
- Harvey Pollack: The Man Who Invented Basketball Statistics
- Hawk Mountain — World's First Raptor Sanctuary
- Hazleton, Coal Town, New America
- Hearts Content and the Pinchot Inheritance — A Forest Before Forests Were Managed
- Henry Chapman Mercer: Archaeologist and Tile Maker
- Henry R. Rouse and the Rouseville Oil Well Disaster
- Herman Herzog: A Thousand Landscapes
- Hershey's First Candy Store
- Hickory Run Boulder Field: A Frozen River of Stone
- Hilary Koprowski and the First Oral Polio Vaccine
- Hilldale Athletic Club: Negro League Champions of Darby
- Holeman Ferry: Gateway on the Bald Eagle Road
- Hollidaysburg: Where Canal Met Mountain Railroad
- Honesdale, Pennsylvania: Where the Steam Age Began
- Horse-Shoe Trail Eastern Terminus
- Hotel Fauchere: Milford's Presidential Table
- Houserville Jasper Quarry — Ancient Stone Workshop
- Howard Zahniser and the Wilderness Act
- Howard's Eleventh Corps: The German Defenders of Cemetery Hill
- Huffman Distillery and Chopping Mill
- Humboldt Refinery: Pioneer of Petroleum Science
- Hysong v. Gallitzin: Habits, Garb, and the Public Classroom
- Idlewild Park — Oldest Amusement Park in Pennsylvania
- Idlewild Park, Ligonier
- Independence Hall and the Unfinished Sentence
- Indian Hill Battlefield, Colonel Hartley's Campaign of Seventeen Seventy-Eight
- Ingram-Richardson, the Porcelain Enamel Giant
- Israel Benevolent Society Cemetery
- James Finley: Inventor of the Suspension Bridge
- James Michener: World Famous Author
- James Pollock and In God We Trust
- James Sheakley: Alaska's Fourth Governor
- Jay Cooke and the Church He Built
- Jay Street Bridge — Lock Haven's Covered River Crossing
- Jean Bonnet Tavern
- Jean Bonnet Tavern
- Jean Bonnet Tavern
- Jefferson Street Ballparks: First Interracial Game and First National League Game
- Jeremiah Sullivan Black — Pennsylvania's Champion of Constitutional Liberty
- Jersey Shore, Pennsylvania — No Ocean Required
- Jesse Reno and the Town That Bears His Name
- Jimmy Stewart of Indiana, Pennsylvania
- Jock Yablonski: Murdered for Reform
- John Brophy, Voice of the Miners
- John C. Asbury: The Republican Who Wrote Pennsylvania's Civil Rights Law
- John Dewey's First Classroom
- John Dickinson, The Penman of the Revolution
- John Franklin Carll: Pioneer of Petroleum Geology
- John Hanson Steelman: Swedish Trader on the Pennsylvania Frontier
- John Heisman, the Coach Who Invented the Forward Pass
- John McDermott — First American to Win the US Open
- John Philip Boehm and the Democratic Church He Built
- John S. Trower, Caterer and Builder
- John Siney and the First Coal Miners Union
- John Wanamaker — The New Kind of Store
- Jonathan Jasper Wright: First Black Appellate Judge
- Jonestown, Pennsylvania
- Joseph Armstrong's Ranging Station
- Joseph Elliot, Soldier of Two Fronts
- Joseph Priestley's Last Laboratory: Oxygen's Father in Exile
- Julian Francis Abele: The Architect Behind Philadelphia's Icons
- Juniata Iron: The Charcoal Furnace Country
- Kershaw's South Carolina Brigade at Gettysburg
- Kidd's Mill Covered Bridge
- King of Prussia
- Kinzua Viaduct, Once the World's Highest Bridge
- Kittanning: Heart of Delaware Country
- Koppel: The German Company Town
- Lafayette's First Command: Barren Hill
- Larrys Creek — Fifty-Three Mills in One Watershed
- Last Confederate Bivouac on Pennsylvania Soil
- Lattimer Massacre
- Laurel Hill Cemetery
- Laurel Hill State Park, New Deal Legacy
- Leap-the-Dips: The World's Oldest Roller Coaster
- Leidy Natural Gas Boom
- Leon Sullivan: The Lion of Zion Who Fought Apartheid
- Les Brown: The Band of Renown from Reinerton
- Lewistown Station: The Oldest Pennsylvania Railroad Building
- Lieutenant Colonel James Shannon, Meuse-Argonne
- Lift Lock Number Five: The Canal That Moved Pennsylvania
- Lightfoot Mill — A Colonial Grist Mill Still Standing
- Lighting the Farm: Sullivan County's Electric Cooperative
- Lincoln Cemetery: Gettysburg's Forgotten Veterans
- Linton Park — Painter of Frontier Pennsylvania
- Little Lithuania, USA
- Little Washington and the Whiskey Rebellion
- Lock Haven — Canal Town, Lumber Capital, Aviation City
- Locust Grove Cemetery, Shippensburg
- Lorenzo Da Ponte in Sunbury
- Lutheran Theological Seminary at Gettysburg
- Mahanoy City: Anthracite and the Molly Maguires
- Mahanoy Plane — Coal Country's Uphill Railroad
- Malcolm Cowley: Voice of the Lost Generation
- Mammoth Mine Explosion
- Manayunk: The Manchester of America
- Manns Choice, Pennsylvania
- Manns Choice: An Accidental Name
- Manor of Maske
- Mansfield: The Seminary That Burned and Came Back
- Margaret Cochran Corbin
- Marian Anderson: Philadelphia's Voice and the DAR's Locked Door
- Marianna Mine Explosion — One Hundred Fifty-Four Dead
- Marshalls Creek Explosion and Hazmat Law
- Marshalls Creek Mastodon
- Martin Delany, First Black Field Officer
- Mary Jemison: The White Woman of the Genesee
- McAdoo: Pleasant Hill Gets a Politician's Name
- McAlevy's Fort: Blockhouse at the Edge of Settlement
- McAllister's Mill Underground Railroad Station
- McFate Archaeological Site — Mapping the Ancient French Creek Valley
- McGuffey's Readers: One Hundred Twenty-Two Million Lessons
- McKean County and the Bucktail Sharpshooters
- Meadowcroft Rockshelter: Oldest Human Presence in North America
- Mercer, Pennsylvania: Named for a Revolutionary Martyr
- Mercersburg and the Fifty-Fourth Massachusetts
- Mifflin County: Canals, Iron, and a Governor's Name
- Milford, Pennsylvania
- Millersburg Ferry: The Last of Its Kind
- Molly Maguire Executions at Jim Thorpe
- Molly Maguire Executions: Labor, Ethnicity, and the Gallows
- Monongahela College: Western Pennsylvania's First Baptist Institution
- Montour County: Rails, Types, and Madame Montour
- Morewood Massacre
- Moshannon: The Elk River Place
- Mother Jones and the Women's March of McAdoo
- Mother of Reformed Churches: German Pioneers in Conewago Valley
- Mother Theresa Maxis Duchemin: First American-Born Black Catholic Nun
- Mount Gretna: The Resort a Railroad Man Built
- Mount Pleasant, Pennsylvania: Glass Town
- Mount Pleasant: Elegance and Enslaved Lives
- Mount Pleasant: Glass Capital of the Laurel Highlands
- Mower General Hospital
- Moyamensing Prison: Egyptian Gothic on Passyunk Avenue
- Muhammad Ali's Deer Lake Training Camp
- Nation of Islam Temple Number Twelve in Philadelphia
- National Memorial Arch
- New Baltimore, Pennsylvania
- Nicetown-Tioga: Philadelphia's Steel Neighborhood
- Nicholas Dupuy, First Settler of Shawnee
- Nile Swim Club: America's First Black-Owned Private Pool
- NLRB v. Jones and Laughlin: Labor's Turning Point
- North Wales: Penn's Welsh Corner
- Northumberland: Where Edison Lit the World's First Three-Wire Grid
- Norvelt, Pennsylvania, Eleanor Roosevelt's New Deal Town
- Norvelt: Eleanor Roosevelt's New Deal Town
- Oil Before Drake — The Salt Well of 1819
- Oil Creek Railroad
- Old Haverford Friends Meeting
- Old State Road: Pennsylvania's First Road to the Northwest
- Order of the Arrow, Born at Treasure Island
- Pandenarium — A Community Built on Freedom
- Parkers Landing Petroglyphs
- Patrick and Abraham: Freedom Seekers on the Underground Railroad
- Patrick Gass, Last Survivor of Lewis and Clark
- Peale: A Coal Town That Vanished
- Pearl S. Buck at Green Hills Farm
- Penn State Fruit Lab: Where Pest Control Went Global
- Penn-Craft: The Depression-Era Self-Help Community
- Pennhurst State School: A Milestone in Disability Rights
- Penns Creek Massacre: First Hostility on the Frontier
- Penns Creek Massacre: The War Comes to Pennsylvania
- Pennsylvania Canal, North Branch Division
- Pennsylvania Canal, Western Division
- Pennsylvania Hall: Both Sides Under One Roof
- Pennsylvania School of Horticulture for Women
- Pennsylvania Turnpike: America's First Superhighway
- Pennsylvania's First Rural Electric Pole
- Pepper Hill Fire of Nineteen Thirty-Eight
- Pete Gray — One-Armed Major Leaguer
- Peter Herdic House — Williamsport's Lumber Baron Mansion
- Philadelphia and Columbia Railroad
- Philadelphia Quartermaster Depot
- Philadelphia's Free Black Community: The Largest in America
- Philip Ginter and the Discovery of Anthracite
- Phillips' Rangers: Ambush of 1780
- Philo Farnsworth: The Inventor of Television, Right Here
- Phoenix Iron Company: Two Centuries of Pennsylvania Steel
- Picture Rocks — A Lenape Village and Its Vanished Art
- Pine Grove Furnace: Secret POW Interrogation Site
- Pine Grove: Anthracite's Canal Crossroads
- Piper Aircraft and the J-3 Cub
- Pithole: Pennsylvania's Oil Ghost Town
- Pithole: The Boom Town That Lasted a Year
- Pittsburgh Jackie Wilson, Leechburg
- Pittsburgh Plate Glass: Ford City Works
- Plumbe Forge: Iron, Mules, and the Canal That Killed It
- Pocono Raceway: The Tricky Triangle
- Printz's Mill: The First European Industry in Pennsylvania
- Quecreek Mine Rescue
- Raccoon Creek State Park
- Railroad Shopmen's Strike of Nineteen Twenty-Two
- Raymond Shafer: Governor from the Gridiron to Rockefeller
- Reading Terminal Market: Philadelphia's Living History Room
- Reverend John Corbley and the Whiskey Rebellion
- Rittenhouse Town: America's First Paper Mill
- Roaring Spring: One Man's Paper Town
- Robert H. Jackson: From Spring Creek Farm to Nuremberg
- Robert Peary: Born Near Here, Bound for the North Pole
- Rolling Mill Mine Disaster
- Rossiter Strike Injunction
- Rowland Shovel Works: A Century of American Iron
- Rube Waddell, Pitcher and Phenomenon
- Rural Electrification: Bringing Light to Pennsylvania Farms
- Rural Electrification: Light Comes to the Pennsylvania Farm
- Rural Electrification: Pennsylvania's Farm Co-ops
- Rural Electrification: Somerset Cooperative
- Ryerson's Blockhouse: Pennsylvania's Last Indian Conflict
- Sachs Covered Bridge: Both Armies Crossed Here
- Saint John Neumann: America's First Male Saint
- Saint Mary's Irish Settlement Church
- Saint Peter's Church: Lafayette's Retreat Begins Here
- Saint Vincent Archabbey, First Benedictine Foundation
- Saltsburg: Salt Wells and the Pennsylvania Canal
- Sarah Mary Benjamin, Revolutionary War Heroine
- Sattazahn Lutheran Church
- Sayre, Pennsylvania: The Lehigh Valley Railroad Town
- Schellsburg: Palatine Germans on the Lincoln Highway
- Schuylkill Arsenal: Lewis and Clark's Supply Depot
- Schuylkill Navy, Oldest Amateur Athletics Governing Body
- Scotland School for Veterans' Children
- Searight's Tollhouse
- Sellers Hall — Upper Darby's Oldest Home
- Seneca Crossing Portage
- Sergeant Michael Strank: Iwo Jima's Oldest Flag Raiser
- Shamokin Dam: Place of Eels, Crossroads of Nations
- Shamokin: The Refugee City at the River's Fork
- Shanksville, Pennsylvania
- Shanksville, Pennsylvania
- Shawnee-Minisink, Thirteen Thousand Years at the Delaware
- Shenandoah, Pennsylvania: Coal, Rails, and the World That Arrived
- Sheppton Mine Rescue
- Shikellamy's Old Town
- Shippensburg, Frontier Gateway
- Shippingport: The World's First Civilian Atomic Power Plant
- Siberian Iron Works: Tin Plate Pioneer of Leechburg
- Sisters of Saint Joseph of Baden
- Snow Shoe, Pennsylvania: Snowshoes Left Behind
- Somerset, Pennsylvania
- Somerset, Pennsylvania
- Sonestown Covered Bridge
- St. Augustine Church, Philadelphia
- St. George's, Cradle of American Methodism
- St. Peter's Church in the Great Valley
- Standard Shaft Mine and Frick's Coke Empire
- Steamboat Enterprise — First Up the Mississippi, eighteen fifteen
- Stenton: James Logan's World in Germantown
- Strattanville, Pennsylvania: Oldest Town in Clarion County
- Sullivan County Courthouse — Smallest County Seat in Pennsylvania
- Sullivan Progress Plaza
- Sylvania Electric — Girls Town USA
- Teaoga and Queen Esther's Town
- The Aaronsburg Story
- The Annual Reminder: LGBTQ Rights Before Stonewall
- The Atkinson Farm and the Farm Journal
- The Baldwin School — Frank Furness's Last Hotel
- The Banana Split Was Born in Latrobe
- The Berwyn School Fight
- The Black Boys Rebellion — First Armed Resistance to British Rule
- The Blairsville Fugitive Slave Rescue
- The Burning of Chambersburg
- The Century Farm — Honoring a Century of Family Farming
- The Conspiracy House, John Brown in Chambersburg
- The Cornplanter Tract — A Treaty Promise Drowned in Nineteen Sixty-Five
- The Dennis Farm: Two Hundred Years of Free Black Ownership
- The Doan Gang: Revolutionary War Outlaws
- The Escape of Ona Judge
- The Fifty-Fourth New York at Gettysburg
- The First County Farm Agent
- The First Game Warden School in America
- The First Oil Pipeline in America
- The First Slovak Lutheran Church in the Western Hemisphere
- The Grand Battery of Philadelphia
- The Great Shamokin Path
- The Hermits of the Wissahickon
- The Highlands, A Yellow Fever Refuge in Stone
- The Jeep Was Born Here
- The Jewish Hospital of Philadelphia
- The John Coltrane House: Where Giant Steps Began
- The Kelly Family: Philadelphia's Golden Dynasty
- The Kinzua Bridge — What a Tornado Left Behind
- The Lattimer Massacre
- The Lattimer Massacre: Nineteen Dead, Nobody Charged
- The Lehigh Path: Ancient Road Through the Mountains
- The LeMoyne House: Where America's First Crematory Was Born
- The Liberty Bell's Crack and the Abolitionists Who Named It
- The Mead Island People — Woodland Period of the Allegheny Valley
- The MOVE Bombing
- The MOVE Bombing: Osage Avenue, May 13, 1985
- The Mummers Parade and the History It Carries
- The Mütter Museum: Bodies and the History of Knowing
- The National Road at Hopwood
- The Pennsylvania State University
- The Poconos Honeymoon Capital: Rise and Fall of a Resort Economy
- The Repasz Band of Williamsport
- The Rosedale Banishment
- The Salvation Army: It Started Here in Philadelphia
- The Seamless Tube and American Steel
- The Shot That Started a World War
- The Simler House: Philipsburg's Oldest Survivor
- The Speechley Gas Pool Well
- The SPHAs, Philadelphia's Jewish Basketball Champions
- The Sugarloaf Massacre — September seventeen eighty
- The Switchback: America's First Roller Coaster
- The Twelfth New Jersey at Gettysburg
- The Venango Path: George Washington Walked Here
- The Walking Purchase: Pennsylvania's First Land Fraud
- The Wall House: A William Penn Land Grant Since 1682
- The War Governors' Conference, Altoona 1862
- The Warriors Mark Path
- The Wayne Natatorium
- The West Branch Canal: Pennsylvania's Inland Lifeline
- Thomas L. Kane: Civil War General and Mormon Advocate
- Thompson Grain Elevator, Rare Survivor of the Railroad Age
- Thompson's Rifle Battalion: Timothy Murphy's Company
- Timothy Matlack, Fighting Quaker
- Titusville Oil Exchange: Where the Petroleum Market Was Born
- Tom Mix: Mix Township's Most Famous Son
- Tommy Loughran — The Philly Phantom
- Tyrone: The Busiest Stop Between Two Cities
- UMWA Labor Chautauquas at Hastings
- Uncle Billy Smith: The Man Who Drilled the First Oil Well
- Underground Railroad at Chambersburg
- Union Canal: Water Over the Mountain
- Union County: Named for the Federal Union
- Union Forge
- Unity House: The Labor Movement's Resort
- Valley Forge General Hospital
- Valley Forge: The Winter That Almost Ended the Revolution
- Valley Forge: Where the Army Became an Army
- Valley Forge: Where the Army Became an Army
- Vandergrift: Olmsted's Model Industrial Town
- Veterans Stadium: The Vet
- Victor Schertzinger, the Man Who Gave Film Its Own Voice
- Violet Oakley, Muralist of the Capitol
- Von Steuben Headquarters
- W. D. Crooks and Sons: The Craftsmen of the Capitol's Doors
- Walnut Lane Bridge, Philadelphia
- Walter Golaski and the Artificial Blood Vessel
- Warren, Pennsylvania: Lumber, Oil, and the Allegheny
- Warriors Path — A Trail Older Than Pennsylvania
- Washington and Jefferson College: Log Cabins to Roger Goodell
- Washington and Jefferson: The First College West of the Alleghenies
- Washington Memorial Chapel: Bells at Valley Forge
- Waynesburg: Named for Mad Anthony, Seat of the Southernmost County
- Wellsboro, Pennsylvania: Gas Lamps and the Grand Canyon
- Wendell August Forge: America's Oldest Working Forge
- West Alexander
- Westmoreland Museum of American Art
- Wharton Esherick Museum
- Where John Brown Planned Harper's Ferry
- Whitaker Mill Cedar Grove
- White Haven, Pennsylvania: The Coal Canal's Northern Gate
- William Allen, Colonial Philadelphia's Power Broker
- William Lewis and America's First Abolition Law
- William Penn's Holy Experiment: Tolerance and Its Limits
- Williamsport: Millionaires Row and Little League
- Williamsport's Great Log Boom
- Wilson College
- Wilson College: The College That Refused to Die
- Wilt Chamberlain: The Hundred-Point Man
- Windber: A Company Coal Town
- Winter Wonderland: Written in Honesdale
- Wissahickon Boys Club — Germantown's First
- Women of Idenlea
- Wyck House and Rose Garden
- York Springs: Adams County's First Resort
- Youngwood, Pennsylvania
- Zelienople: A Baron Named It for His Daughter
- Zenas Leonard: First Eyes on the Sequoias