Region
19th century
1
4.200
1
Aberdeen
1
Abisko
1
Abu Hureyra, Tall (Syria)
1
Acadia
2
Aden
2
Aden (Yemen)
2
Adriatic Sea Region
1
Adult
1
Aegean Islands (Greece and Turkey)
1
Aegean Sea Coast
1
Aegean Sea Coast (Turkey)
1
Aegean Sea Region
2
Afghanistan
6
Africa
98
Africa, Central
3
Africa, East
5
Africa, Eastern
1
Africa, North
10
Africa, Northeast
1
Africa, Southern
10
Africa, Sub-Saharan
6
Africa, West
9
Afrique australe
1
Ahmadābād
1
Aitōlia kai Akarnania
1
Aitōlia kai Akarnania (Greece)
1
Ajaria
1
Ajaria (Georgia)
1
Alabama
15
Alachua County
1
Alaska
30
Alaska Peninsula
1
Alaska, Gulf of
2
Alaska, Gulf of (Alaska)
1
Albania
1
Albany (First Nation)
2
Alberta
14
Albuquerque
1
Alemania
1
Aleutian Islands
1
Aleutian Islands (Alaska)
1
Alexandria
2
Alexandria (Egypt)
3
Algeria
5
Allegheny River Valley (Pa. and N.Y.)
1
Allemagne
1
Alpine National Park (Vic.)
1
Alps
3
more ...