Region
United States
Canada
4
Germany
3
Japan
3
Outer space
3
North America
2
Appalachian Region
1
Arctic regions
1
Arizona
1
Asia
1
Australia
1
Austria
1
Belgium
1
California
1
Canada, Eastern
1
China
1
Developing countries
1
Europe
1
European Union countries
1
Great Britain
1
Italy
1
Netherlands
1
New Zealand
1
Rocky Mountains
1
Russia (Federation)
1
South Africa
1
Texas
1
Utah
1
West (U.S.)
1
Wisconsin
1
Yosemite Valley
1