Narrower Terms (29)

• Allegheny National Forest (Pa.)
• Allegheny National Wild and Scenic River (Pa.)
• Allegheny Portage Railroad National Historic Site (Pa.)
• Benjamin Franklin National Memorial (Philadelphia, Pa.)
• Cherry Valley National Wildlife Refuge (Pa.)
• Delaware & Lehigh National Heritage Corridor (Pa.)
• Delaware Water Gap National Recreation Area (N.J. and Pa.)
• Eisenhower National Historic Site (Pa.)
• Erie National Wildlife Refuge (Pa.)
• First State National Historical Park (Del. and Pa.)
• Friendship Hill National Historic Site (Pa.)
• ▶ Gettysburg National Military Park (Pa.)
• Grey Towers National Historic Site (Milford, Pa.)
• Honey Hollow Watershed National Historic Landmark (Pa.)
• ▶ Hopewell Furnace National Historic Site (Pa.)
• Horseshoe Curve National Historic Landmark (Pa.)
• Independence National Historical Park (Philadelphia, Pa.)
• John Heinz National Wildlife Refuge at Tinicum (Pa.)
• Johnstown Flood National Memorial (Pa.)
• Lackawanna Valley National Heritage Area (Pa.)
• Mount Etna Iron Furnace National Historic Site (Pa.)
• Oil Region National Heritage Area (Pa.)
• Pine Creek Gorge Natural Area (Pa.)
• Rivers of Steel National Heritage Area (Pa.)
• Schuylkill River Valley National Heritage Area (Pa.)
• Steamtown National Historic Site (Scranton, Pa.)
• Steel Industry National Historic Site (Pa.)
• Upper Delaware Scenic and Recreational River (N.Y. and Pa.)
• Valley Forge National Historical Park (Pa.)