Region
Colorado
90
United States
81
California
30
Washington (State)
23
Denver
18
Alaska
15
Arizona
15
Louisiana
15
Oregon
14
Texas
14
Montana
13
Black Hills National Forest (S.D. and Wyo.)
11
Hawaii
10
Idaho
10
Interstate 70
8
Mexico, Gulf of
8
Tongass National Forest
8
Florida
6
Great Lakes (North America)
6
Larimer County
6
Nevada
6
Wyoming
6
Borgne, Lake
5
Borgne, Lake (La.)
5
Georgia
5
Interstate 25
5
Michigan
5
Minnesota
5
Mississippi River-Gulf Outlet Canal
5
Mississippi River-Gulf Outlet Canal (La.)
5
North Dakota
5
Olympic National Park
5
Olympic National Park (Wash.)
5
South Dakota
5
Summit County
5
Tongass National Forest (Alaska)
5
Utah
5
Virginia
5
Colorado Springs
4
El Paso County
4
Grand Junction
4
Iowa
4
Kansas
4
Western Hemisphere
4
Atlantic Coast (Middle Atlantic States)
3
Atlantic Coast (South Atlantic States)
3
Billy Frank, Jr., Nisqually National Wildlife Refuge
3
Billy Frank, Jr., Nisqually National Wildlife Refuge (Wash.)
3
Brazoria County
3
Briggs Spring (S.D.)
3
more ...