Region
United States
1,613
États-Unis
333
Washington (D.C.)
38
California
33
Colorado
10
Northwest, Pacific
7
Denver
6
Iraq
6
Valley Forge National Historical Park (Pa.)
6
Alaska
5
Californie
5
Developing countries
5
Northeastern States
5
Washington Metropolitan Area
5
Aurora
4
Captain John Smith Chesapeake National Historic Trail
4
Caribbean Area
4
Central America
4
Channel Islands National Park (Calif.)
4
Idaho
4
Irak
4
Latin America
4
New Jersey
4
Sawtooth National Recreation Area (Idaho)
4
Africa
3
American Samoa
3
Amérique centrale
3
Amérique latine
3
Caraïbes (Région)
3
Great Britain
3
Mexico
3
Six Rivers National Forest (Calif.)
3
Yosemite National Park
3
Yosemite National Park (Calif.)
3
Afghanistan
2
Cambodia
2
Former Soviet republics
2
France
2
Gulf States
2
Pacific Northwest
2
Paris
2
Russia (Federation)
2
Syria
2
Syrie
2
UNITED STATES OF AMERICA
2
USA
2
Afghānistān
1
Africa, West
1
Alabama
1
Bolivia
1
more ...