Region
19th century
1
20th century
5
Adirondack Mountains (N.Y.)
3
Admiralty Island (Alaska)
1
Afghanistan
7
Afghānistān
1
Africa
19
Africa, Central
1
Africa, East
1
Africa, Southern
1
Africa, Sub-Saharan
1
Africa, West
1
Africville (Halifax Regional Municipality)
1
Africville (Halifax Regional Municipality, N.S.)
1
Africville (Halifax, N.S.)
1
Afrique
1
Aix-en-Provence (France)
1
Aklavik (N.W.T.)
1
Aksum (Kingdom)
2
Alabama
15
Alaska
12
Albuquerque (N.M.)
1
Alcatraz Island (Calif.)
2
Aleppo
1
Aleppo (Syria)
1
Alexandria (Va.)
1
Amazon River Region
5
Amazon River Valley
1
America
3
Amherst (Mass.)
3
Amsterdam
1
Amsterdam (Netherlands)
1
Angleterre
1
Angola
1
Antarctica
3
Appalachian Region
3
Appalachian Trail
1
Arabia, Southern
1
Arctic Ocean
1
Arctic Regions
3
Arctic regions
16
Argentina
3
Arizona
8
Arkansas
3
Arlington (Va.)
1
Armenia
1
Asheville (N.C.)
1
Atlanta
2
Atlanta (Ga.)
8
Atlantic Coast (U.S.)
1
more ...