Region
Great Britain
200
United States
167
Canada
5
Manitoba
5
West (U.S.)
4
Australia
3
Arizona
2
Cape Lookout National Seashore (N.C.)
2
India
2
Kenya
2
Latin America
2
North Carolina
2
Portsmouth (N.C.)
2
American Samoa
1
Antarctica
1
Asia
1
California
1
Chicago
1
Colombia
1
Egypt
1
Estados Unidos
1
Europe
1
Finland
1
Florida
1
Fort Larned National Historic Site (Larned, Kan.)
1
France
1
Guam
1
Illinois
1
Isle of Dogs (London, England)
1
Kansas
1
Larned
1
Louisiana
1
Maryland, Southern
1
Mexico
1
Montezuma Castle National Monument
1
Montezuma Castle National Monument (Ariz.)
1
Moon
1
Morocco
1
New Jersey
1
Northern Mariana Islands
1
Petrified Forest National Park
1
Petrified Forest National Park (Ariz.)
1
San Francisco Bay Area
1
Trinidad and Tobago
1
USA
1
United States Virgin Islands
1
United States, West
1
Washington Metropolitan Area
1
West United States
1