Region
United States
87
Great Britain
13
Colorado
9
Wisconsin
7
California
4
Washington (State)
4
Florida
3
Outer space
3
Piedras Blancas Historic Light Station Outstanding Natural Area (Calif.)
3
California, Southern
2
Golden Spike National Historical Park (Utah)
2
Japan
2
Minnesota
2
Utah
2
Washington (D.C.)
2
Washington, Lake
2
Alaska
1
Apostle Islands National Lakeshore (Wis.)
1
Atlantic Coast (N.J.)
1
Barnegat Light (N.J.)
1
Canada
1
Chicago
1
Cripple Creek (Colo.)
1
Crystal River Valley
1
Crystal River Valley (Colo.)
1
Denmark
1
Denver Metropolitan Area
1
Englewood
1
Europe, Eastern
1
Former Soviet republics
1
Golden (Colo.)
1
Hiawatha National Forest
1
Hiawatha National Forest (Mich.)
1
Houston, Lake
1
Illinois
1
Italy
1
Jupiter
1
Kansas City
1
Loveland
1
Loveland (Colo.)
1
McKinleyville
1
Michigan
1
Mississippi River
1
Missouri
1
New Mexico
1
New York (State)
1
Ocean County (N.J.)
1
Oregon
1
Piedras Blancas, Point (Calif.)
1
Polar regions
1
more ...