Alexandria
Historic Structures in Pennsylvania
Andalusia
Andalusia Mansion - Nicholas Biddle Estate, Andalusia Pennsylvania
Annapolis
Chase Lloyd House, Annapolis Maryland
Bala Cynwyd
Bala Theater - Egyptian Theater, Bala Cynwyd Pennsylvania
Bedford
Bedford Coffee Pot, Bedford Pennsylvania
Bethlehem
Bethlehem Train Station, Bethlehem Pennsylvania
Breezewood
Jackson's Mill Covered Bridge, Breezewood Pennsylvania
Brownsville
Monongahela Railway Train Repair Shops, Brownsville Pennsylvania
Chester
Chester Electric Power Station - PECO Energy, Chester Pennsylvania
Connellsville
Troutman Building - First National Bank, Connellsville Pennsylvania
Douglassville
Mouns Jones House Ruins, Douglassville Pennsylvania
East Whiteland Township
Loch Aerie - Lockwood House, Glenloch Pennsylvania
Elkins Park
Lynnewood Hall Mansion, Elkins Park Pennsylvania
Ellwood City
McConnells Mill Covered Bridge, Ellwood City Pennsylvania
Erie
Boston Store, Erie Pennsylvania
Erie
George Colt Mansion, Erie Pennsylvania
Erie
Reed Mansion, Erie Pennsylvania
Everett vicinity
Lutz Woolen Factory (Juniata Woolen Mill), Everett Pennsylvania
Fort Hunter
Fort Hunter Mansion, Fort Hunter Pennsylvania
Grapeville
Westmoreland Glass Company – Specialty Glass, Grapeville Pennsylvania
Greenville
Bessemer & Lake Erie Railroad Maintenance Shops, Greenville Pennsylvania
Greenville
Kidd's Mill Covered Bridge, Greenville Pennsylvania
Harrisburg
Harrisburg Train Station & Trainshed, Harrisburg Pennsylvania
Hawley
J.S. O'Connor American Rich Cut Glassware Factory, Hawley Pennsylvania
Homestead
Homestead Pennsylvania Railroad Station, Homestead Pennsylvania
Horsham
Graeme Park – Horsham Plantation, Horsham Township Pennsylvania
Jeannette
Jeannette Glass Company, Jeannette Pennsylvania
Johnstown
Pennsylvania Railroad Station, Johnstown Pennsylvania
Juniata Township
S.S. Grand View Point Ship Hotel, Juniata Pennsylvania
Lancaster
Central Market, Lancaster Pennsylvania
Lancaster
Follmer, Clogg and Company Umbrella Factory, Lancaster Pennsylvania
Lancaster
Hager Brothers Department Store Building, Lancaster Pennsylvania
Lancaster
Old City Hall - Heritage Center, Lancaster Pennsylvania
Lancaster
Watt and Shand Department Store - Bon-Ton Store, Lancaster Pennsylvania
Mill Run
Falling Water - Frank Lloyd Wright House, Mill Run Pennsylvania
Monessen
Pittsburgh Steel Company Monessen Works, Monessen Pennsylvania
Mount Pleasant
George Stoudt House - Octagon House, Mount Pleasant Pennsylvania
Philadelphia
Atwater Kent Manufacturing Company, Philadelphia Pennsylvania
Philadelphia
Bellevue-Stratford Hotel, Philadelphia Pennsylvania
Philadelphia
Broad Street Train Station, Philadelphia Pennsylvania
Philadelphia
Cliveden - Chew House, Philadelphia Pennsylvania
Philadelphia
Connie Mack Stadium - Shibe Park, Philadelphia Pennsylvania
Philadelphia
Eastern State Penitentiary, Philadelphia Pennsylvania
Philadelphia
John Stetson Hat Company, Philadelphia Pennsylvania
Philadelphia
North Philadelphia Railroad Train Station, Philadelphia Pennsylvania
Philadelphia
Railroad Power Director Center - Thirtieth Street Station, Philadelphia Pennsylvania
Philadelphia
Reynolds-Morris House, Philadelphia Pennsylvania
Philadelphia
Scott Wanamaker House, Philadelphia Pennsylvania
Philadelphia
Stenton Mansion - James Logan Home, Philadelphia Pennsylvania
Philadelphia
Strawberry Mansion, Philadelphia Pennsylvania
Philadelphia
Walnut Lane Concrete Arch Bridge, Philadelphia Pennsylvania
Pittsburgh
Armstrong Cork Company, Pittsburgh Pennsylvania
Pittsburgh
Croghan House - Picnic Place, Pittsburgh Pennsylvania
Pittsburgh
Eberhardt and Ober Brewery, Pittsburgh Pennsylvania
Pittsburgh
John F. Singer House Mansion, Pittsburgh Pennsylvania
Pittsburgh
Longfellow School - Deniston School, Pittsburgh Pennsylvania
Pittsburgh
Reymer Brothers Candy Factory, Pittsburgh Pennsylvania
Pittsburgh
Westlake Public School, Pittsburgh Pennsylvania
Pottsville
Capitol Theatre, Pottsville Pennsylvania
Radnor
Bolingbroke Mansion, Radnor Pennsylvania
Radnor
St. Davids Church, Radnor Pennsylvania
Reading
Astor Theater, Reading Pennsylvania
Reading
Cotton and Maple Streets School, Reading Pennsylvania
Robesonia
George Ege Mansion, Robesonia Pennsylvania
Selinsgrove
Middle Creek Hydroelectric Dam, Selinsgrove Pennsylvania
Shippingport
Shippingport Nuclear Power Station, Shippingport Pennsylvania
Shoemakersville
Merit Underwear Company, Shoemakersville Pennsylvania
Tower Hill Number 2, Luzerne
Tower Hill 2 Mine & Coke Ovens, Tower Hill Pennsylvania
Warren
Pennsylvania Railroad Passenger Station, Warren Pennsylvania
West Chester
Mayfield (Willaim Ebbs House), West Chester Pennsylvania
Wilkinsburg
Pennsylvania Railroad Station, Wilkinsburg Pennsylvania
York
