Region
1951-1960
1
Aberdeen
1
Aberdeen (Scotland)
1
Abydos (Egypt : Extinct city)
1
Abydos (Extinct city)
1
Aceh
1
Aceh (Indonesia)
1
Aegean Sea Region
1
Afghanistan
3
Africa
25
Africa del Sur
1
Africa del Sur en la literatura
1
Africa, East
1
Africa, North
2
Africa, Southern
1
Africa, Sub-Saharan
3
Africa, West
5
Afrique australe
1
Aghyaran (Castlederg, Northern Ireland)
2
Ajanta Caves (India)
1
Akita-ken
1
Alabama
9
Alamo (San Antonio, Tex.)
1
Alaska
4
Alberta
2
Alexandria
2
Alexandria (Egypt)
2
Algeria
1
Algodones (Baja California, Mexico)
1
America
8
Amsterdam
2
Andalusia (Spain)
2
Andes Region
3
Angleterre
3
Antarctica
1
Appalachian Mountains, Southern
1
Appalachian Region
3
Appalachian Region, Southern
2
Arab countries
2
Araripe Plateau
2
Arches National Park (Utah)
1
Arctic Ocean
1
Arctic regions
3
Argentina
6
Arizona
5
Arkansas
1
Armenia
1
Art
1
Asia
9
Asia, Central
4
more ...