Region
Aachen
1
Aberdeen Proving Ground
1
Aberdeen Proving Ground (Md.)
1
Adams County
1
Admiralty Islands
2
Afghanistan
26
Africa
1
Africa, North
17
Afrique du Nord
2
Afton Region
1
Afton Region (N.Y.)
1
Al Bāb
1
Alabama
13
Alabama River Watershed
3
Alaska
9
Alaska Highway
1
Albany
1
Albuquerque
1
Alexandria
1
Alexandria (Va.)
1
Allegany (N.Y.)
1
Allemagne
4
Alsace
2
Alsace (France)
2
American Samoa
1
Amirauté, Îles de l'
1
Anbār (Province)
1
Andes
1
Apalachicola River Watershed
3
Arctic Regions
1
Arctic regions
2
Ardennes
2
Arizona
9
Arkansas
10
Arkansas River
1
Arkansas River Valley
1
Arlington County
1
Asia
3
Asia, Central
1
Atchafalaya River Watershed
1
Athens
2
Athens (Ala.)
2
Atlantic Ocean
3
Atlantic Wall
1
Atlantic Wall (France and Belgium)
2
Australia
4
Austria
2
Azerbaijan
2
Babylon (Extinct city)
1
Baghdad
5
more ...