Pennsylvania - Area of significance: Historic - Non-aboriginal
| Alliance Furnace |
| Barree Forge and Furnace |
| Beaver Historic District |
| Bethel Burial Ground |
| Boone, Daniel, Homestead Site and Bertolet Cabin |
| Boswell Historic District |
| Bradys Bend Iron Company Furnaces |
| Brown, John, Tannery Site |
| Cairnbrook Historic District |
| Chadds Ford Historic District |
| Chad House |
| Chickies Historic District |
| Codorus Forge and Furnace Historic District |
| Crosley-Garrett Mill Workers' Housing, Store and Mill Site |
| Dale Furnace and Forge Historic District |
| Dennis Farm |
| Forks of the Ohio |
| Fort Dewart |
| Fort Hunter Historic District |
| Fort McIntosh Site |
| Gettysburg National Military Park |
| Greensboro Historic District |
| Greenwood Furnace |
| Hessian Powder Magazine |
| Houserville Site (36CE65) |
| Hower-Slote House |
| Independence National Historical Park |
| Irwintown Site |
| Jacobsburg Historic District |
| Joanna Furnace Complex |
| Kise Mill Bridge Historic District |
| Knipe-Johnson Farm |
| Legionville |
| Lehigh Canal |
| Lehigh Canal: Eastern Section Glendon and Abbott Street Industrial Sites |
| Lupfer, Israel and Samuel, Tannery Site and House |
| Marcus Hook Plank House |
| Mill Creek Historic District |
| Millmont Farm |
| Minersville Coke Ovens |
| Monroe Furnace |
| Muddy Creek Forks Historic District |
| Muhlenberg, Henry Melchoir, House |
| Nicholas, Jacob, House |
| North Warwick Historic and Archeological District |
| Old Dry Road |
| Pennsbury Manor |
| Pennsylvania Canal Guard Lock and Feeder Dam, Raystown Branch |
| Pine Grove Furnace |
| Printzhof, The |
| Rice's Landing Historic District |
| Robertsdale Historic District |
| Robesonia Furnace Historic District |
| Rock Hill Farm |
| Saltsburg Historic District |
| Shade Furnace Archeological District |
| Slickville Historic District |
| Smock Historic District |
| Sommerheim Park Archeological District |
| Upper Roxborough Historic District |
| Wilson, Robert, House |
| York Iron Company Mine |
Data from United States Park Service and Wikidata