Region
Adams County
2
Allegheny (Pittsburgh, Pa.)
2
Allegheny Co
2
Allentown
1
Altoona Region
1
Ambler
1
Armstrong County
1
Armstrong County (Pa.)
1
Athens (Pa.)
1
Athens Region
1
Atlantic Coast
1
Bangor
1
Bartram's Garden
1
Bartram's Garden (Philadelphia, Pa.)
2
Bedford County
1
Bedford County (Pa.)
1
Benjamin Franklin Bridge (Philadelphia, Pa.)
1
Berks County
5
Berks County (Pa.)
3
Bethlehem
2
Bethlehem (Pa.)
1
Blair County
2
Blair County (Pa.)
1
Bradford County (Pa.)
1
Brandywine Creek Valley (Pa. and Del.)
1
Buckingham
1
Bucks Co
5
Bucks County
10
Bucks County (Pa.)
5
Cambria Co
1
Camden
3
Camden (N.J.)
2
Camden Co
1
Center City District (Philadelphia, Pa.)
1
Centre County (Pa.)
3
Charities
1
Cheltenham
1
Chester County
5
Chester County (Pa.)
1
Chester Springs
1
Cheyney
2
Columbia Co
1
Dauphin County (Pa.)
2
Delaware
5
Delaware & Lehigh National Heritage Corridor
1
Delaware & Lehigh National Heritage Corridor (Pa.)
1
Delaware Co
1
Delaware County
4
Delaware River (N.Y.-Del. and N.J.)
3
Delaware River Estuary
1
more ...