Region
Pennsylvania
Flight 93 National Memorial (Pa.)
3
Hopewell Furnace National Historic Site (Pa.)
2
New York (State)
2
Allegheny Portage Railroad National Historic Site (Pa.)
1
Berks County
1
Chester County
1
Eisenhower National Historic Site
1
Eisenhower National Historic Site (Pa.)
1
Gettysburg
1
Gettysburg (Pa.)
1
Hopewell Furnace National Historic Site
1
Upper Delaware Scenic and Recreational River (N.Y. and Pa.)
1
West Virginia
1