Geography
United States
25 results
North America
23 results
Alaska
16 results
Texas
13 results
Mexico
9 results
Australia
8 results
California
7 results
Great Britain
7 results
Africa
6 results
Canada
6 results
Europe
6 results
Argentina
5 results
Florida
5 results
Illinois
5 results
New Mexico
5 results
South America
5 results
Brazil
4 results
China
4 results
Mexico, Gulf of
4 results
Russia (Federation)
4 results
Tropics
4 results
America
3 results
Arctic regions
3 results
Belarus
3 results
Colorado
3 results
Ethiopia
3 results
Hawaii
3 results
Indonesia
3 results
Japan
3 results
Madagascar
3 results
Minnesota
3 results
San Juan Mountains (Colo. and N.M.)
3 results
Soviet Union
3 results
Sweden
3 results
Switzerland
3 results
Tunisia
3 results
West (U.S.)
3 results
Arabian Peninsula
2 results
Arctic National Wildlife Refuge
2 results
Arizona
2 results
Arkansas
2 results
British Columbia
2 results
Cerro Grande (N.M.)
2 results
Congo (Democratic Republic)
2 results
Dominican Republic
2 results
Four Corners Region
2 results
France
2 results
Ghana
2 results
Guinea
2 results
Gulf Coast
2 results
more…