Region
United States
42
California
13
Germany
9
New Mexico
6
New Zealand
5
Berlin
4
Chaco Culture National Historical Park (N.M.)
4
France
4
Indiana
4
Japan
4
Arizona
3
Great Britain
3
Monticello Dam (Calif.)
3
Paris
3
Tacoma Narrows Bridge (Tacoma, Wash. : 1940)
3
Wainuiomata
3
Australia
2
Blanford
2
Blanford Region
2
Chaco Culture National Historical Park
2
Cincinnati
2
Europe
2
Evansville Region
2
Göttingen
2
India
2
Jena
2
Ohio
2
Phoenix
2
Soviet Union
2
Sweden
2
Taiwan
2
Terre Haute Region
2
Vandenberg Air Force Base
2
Vandenberg Air Force Base (Calif.)
2
Arkansas
1
Canada
1
Chicago
1
Dunedin
1
Europe, Eastern
1
European Union countries
1
Germany (West)
1
Grenoble
1
Grenoble (France)
1
Greymouth
1
Himalaya Mountains Region
1
Hua-lien shih
1
Hualian Shi
1
Illinois
1
Iowa
1
Israel
1
more ...