Region
Atlantic Coast
1
Berks County
1
Bethlehem Steel Company
1
Bucks County
5
Chesapeake Bay (Md. and Va.)
1
Chester Co
1
Chester County
2
Chester County (Pa.)
3
Christiansburg
1
Columbia County
1
Columbia County (Pa.)
1
Delaware County
1
Delaware River Estuary
2
Delaware Water Gap
1
Easton
1
États-Unis
2
Filadelfia
1
Florence
1
Florenz
1
Förenta staterna
1
France
1
Germantown
1
Harrisburg
1
Hawk Mountain Sanctuary
1
Hawk Mountain Sanctuary (Pa.)
1
Hunterdon County
1
Italie
1
Italy
2
Lancaster
2
Lancaster County
2
Lansdowne
1
Merion
1
Mexico
1
Montgomery Co
2
New Jersey
1
New York (State)
1
Northampton Co
1
Patzcuaro
1
Pátzcuaro
1
Penn
10
Pennsylvania
Pennsylvania Dutch Country
3
Pennsylvanie
17
Pennsylvanoa
1
Philadelphia
116
Philadelphia (Pa.)
13
Philadelphia Metropolitan Area
1
Philadelphia Metropolitan Area (Pa.)
1
Philadelphia Metropoltan Area
1
Philadelphia Region
1
more ...