Region
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Animas River Watershed (Colo. and N.M.)
4
Anniston
1
Antarctic Ocean
1
Antarctica
5
Antietam National Battlefield
2
Antietam National Battlefield (Md.)
1
Apalachicola Bay
1
Apalachicola River Watershed
5
Appalachian Region
16
Apple Valley
1
Arab countries
8
Arapaho National Forest (Colo.)
8
Arapaho National Forest Region
1
Arctic National Wildlife Refuge
9
Arctic National Wildlife Refuge (Alaska)
6
Arctic Ocean
4
Arctic regions
29
Argentina
3
Arizona
166
Arizona Strip
1
Arizona Trail (Ariz.)
2
Arkansas
29
Arkansas River
2
Arlington
17
Arlington County
1
Armenia
1
Armenia (Republic)
2
Arrowrock Dam (Idaho)
1
Arthur V. Watkins Dam (Utah)
2
Asia
53
Asia, Central
15
Asia, Eastern
14
Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana
1
Atchafalaya National Heritage Area (La.)
1
Athens
6
Athens (Greece)
2
Atlanta
15
Atlantic Coast
1
Atlantic Coast (Middle Atlantic States)
1
Atlantic Coast (New England)
2
Atlantic Coast (North America)
1
Atlantic Coast (South Atlantic States)
3
Atlantic Coast (U.S.)
7
Atlantic Ocean
2
Atoka
2
Atsugi-shi
3
Auburn
4
Aurora
4
Austin
2
Australasia
1
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