Region
United States
55
China
6
Europe
3
Great Britain
3
Developing countries
2
Moon
2
Soviet Union
2
Tropics
2
Universe
2
Alps
1
America
1
Arab countries
1
Arctic regions
1
Asia
1
Assyria
1
Europe, Eastern
1
Former Soviet republics
1
Islamic countries
1
Japan
1
Korea (South)
1
Latin America
1
Los Angeles (Calif.)
1
Mars (Planet)
1
Massachusetts
1
Mediterranean Region
1
Middle East
1
New York
1
New York (State)
1
North America
1
Turkey
1