Region
Europe
13
Arctic Ocean
3
Arctic regions
3
England
3
Great Britain
3
Tropics
3
Asia
2
Atlantic Ocean
2
Australia
2
Baltic Sea
2
Europe, Northern
2
Mediterranean Region
2
Mendip Hills
2
New York (State)
2
North Atlantic Ocean
2
North Sea
2
Soviet Union
2
Africa
1
Africa, Sub-Saharan
1
Antarctic Ocean
1
Antarctica
1
Arabian Peninsula
1
Beaufort Sea
1
Biscay, Bay of (France and Spain)
1
Canada
1
Canadarago Lake
1
Central America
1
China
1
Costa Rica
1
East European Plain
1
El Niño Current
1
Eurasia
1
Finger Lakes
1
Han River
1
Himalaya Mountains
1
Iberian Peninsula
1
Iceland
1
Israel
1
Juneau Icefield (Alaska and B.C.)
1
Karakoram Range
1
Katla (Iceland)
1
Korea (South)
1
La Niña Current
1
Mark Twain Lake (Mo.)
1
Mediterranean Sea
1
Mekong River Watershed
1
Melanesia
1
Mendip Hills (England)
1
Missouri
1
Mýrdalsjökull (Iceland)
1
more ...