Region
United States
2,132
Washington (D.C.)
52
Chesapeake Bay Region (Md. and Va.)
9
Chesapeake Bay Region
7
California
6
New Jersey
6
West (U.S.)
6
China
5
Great Lakes (North America)
5
Pacific Area
5
Asia
4
Atlantic Coast (U.S.)
3
Foreign countries
3
Germany
3
Great Lakes
3
Japan
3
Korea (South)
3
Mexican-American Border Region
3
New Mexico
3
Northeast boundary of the United States
3
Northeastern States
3
Outer space
3
Pacific States
3
Puerto Rico
3
États-Unis
3
Atlantic Coast
2
Atlantic Ocean
2
Chesapeake Bay
2
Chesapeake Bay (Md. and Va.)
2
Developing countries
2
Israel
2
Ukraine
2
Atlantic City (N.J.)
1
Canada
1
Chesapeake and Ohio Canal National Historical Park
1
East Asia
1
Eurasia
1
Europe
1
France
1
Minnesota Territory
1
Oceania
1
South Asia
1
Texas
1
Transcontinental Railroad National Back Country Byway (Utah)
1
United States, West
1
West United States
1
Wisconsin Territory
1