| Name |
County |
| Allegheny Portage Railroad National Historic Site |
Cambria County |
| Appalachian National Scenic Trail |
Berks County |
| Delaware National Scenic River |
Pike County |
| Delaware Water Gap National Recreation Area |
Pike County |
| Edgar Allan Poe National Historic Site |
Philadelphia County |
| Eisenhower National Historic Site |
Adams County |
| First State National Historical Park |
New Castle |
| Flight 93 National Memorial |
Somerset County |
| Fort Necessity National Battlefield |
Fayette County |
| Friendship Hill National Historic Site |
Fayette County |
| Gettysburg National Military Park |
Adams County |
| Hopewell Furnace National Historic Site |
Berks County |
| Independence National Historical Park |
Philadelphia County |
| Johnstown Flood National Memorial |
Cambria County |
| Steamtown National Historic Site |
Lackawanna County |
| Thaddeus Kosciuszko National Memorial |
Philadelphia County |
| Upper Delaware Scenic and Recreational River |
Wayne |
| Valley Forge National Historical Park |
Montgomery County |
