Region
United States
190
Washington (D.C.)
13
Alaska
5
Great Britain
5
China
4
Germany
4
Earth (Planet)
3
Oman
3
Russia (Federation)
3
Southern States
3
California
2
Foreign countries
2
France
2
Hawaii
2
Iowa
2
Nevada
2
Pakistan
2
Saint Louis (Mo.)
2
West (U.S.)
2
Wyoming
2
Baltimore
1
Canada
1
Caucasus
1
Chugach National Forest
1
Colombia
1
Council Bluffs
1
East (U.S.)
1
Europe
1
Finland
1
Fort Benning
1
Fort Benning (Ga.)
1
Fort Leavenworth (Kan.)
1
Georgia
1
Grand Teton National Park (Wyo.)
1
Greece
1
Humboldt-Toiyabe National Forest (Nev. and Calif.)
1
Indochina
1
Iran
1
Iraq
1
Italy
1
Khyber Pakhtunkhwa
1
Lebanon
1
Malaysia
1
Mars (Planet)
1
Marsh-Billings-Rockefeller National Historical Park (Vt.)
1
Maryland
1
New Mexico
1
North America
1
Palestine
1
Paris
1
more ...