Region
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California
9
Delaware River Valley (N.Y.-Del. and N.J.)
9
Mass
9
Montgomery County
9
New Hampshire
9
Pittsburgh (Pa.)
9
Vermont
9
Baltimore
8
Cape May County
8
Cape May County (N.J.)
8
Charleston
8
Chester County
8
Chester County (Pa.)
8
Cincinnati (Ohio)
8
Cumberland County (Pa.)
8
Hudson River Valley (N.Y. and N.J.)
8
Illinois
8
New Castle
8
Ohio River Valley
8
Camden
7
Essex County (Mass.)
7
Independence Square (Philadelphia, Pa.)
7
Lancaster County (Pa.)
7
New Orleans
7
Oregon National Historic Trail
7
Philadelphie
7
Salem County (N.J.)
7
Soviet Union
7
Williamsburg
7
America
6
Atlantic County (N.J.)
6
Berks County
6
Europe
6
Hopewell Furnace National Historic Site (Pa.)
6
London
6
Nebraska
6
Philadelphia Metropolitan Area
6
Pittsburgh
6
Princeton
6
Roxborough (Philadelphia, Pa.)
6
Salem County
6
Southern States
6
Williamsburg (Va.)
6
Alexandria
5
Boston (Mass.)
5
Bucks Co
5
Camden (N.J.)
5
Camden County (N.J.)
5
Charleston (S.C.)
5
Darby
5
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