Geography
Europe
United States
6 results
China
3 results
Alaska
2 results
Canada
2 results
Great Britain
2 results
Mexico
2 results
Philippines
2 results
Africa
1 results
Austria
1 results
Chile
1 results
Creswell Crags
1 results
Creswell Crags (England)
1 results
Cuba
1 results
England
1 results
Europe, Central
1 results
Germany
1 results
Grand Canyon (Ariz.)
1 results
Hungary
1 results
North America
1 results
Soviet Union
1 results
Sudan
1 results