Region
Pennsylvania
United States
44
Philadelphia
27
Gettysburg National Military Park (Pa.)
10
Pittsburgh
9
Bucks County
8
Chester County
8
Delaware
8
White Clay Creek (Pa. and Del.)
7
Scranton
6
Allegheny National Forest
4
Cambria County
4
Indiana County
4
Lackawanna Valley National Heritage Area (Pa.)
4
Montgomery County
4
New Jersey
4
Northampton County
4
Steamtown National Historic Site (Scranton, Pa.)
4
West Virginia
4
Allegheny River (Pa. and N.Y.)
3
Allentown
3
Gettysburg National Military Park
3
Hopewell (Beaver County : Township)
3
Independence Mall (Philadelphia, Pa.)
3
Independence National Historical Park (Philadelphia, Pa.)
3
New York (State)
3
Philadelphia Region
3
Somerset County
3
Alaska
2
Allegheny National Wild and Scenic River (Pa.)
2
Allegheny Portage Railroad National Historic Site (Pa.)
2
Blair County
2
Delaware River (N.Y.-Del. and N.J.)
2
Ebensburg Region
2
Fayette County
2
Harrisburg Region
2
Johnstown Flood National Memorial (Pa.)
2
Lackawanna River Watershed
2
Lehigh County
2
Lehigh River Valley
2
Monongahela River (W. Va. and Pa.)
2
Oil Region National Heritage Area (Pa.)
2
Pittsburgh Region
2
Steel Industry National Historic Site (Pa.)
2
Tioga County
2
Washington (State)
2
Wilkes-Barre
2
Alaska Maritime National Wildlife Refuge (Alaska)
1
Allegheny County
1
Allegheny National Wild and Scenic River
1
more ...