Region
- United States 113 Treffer
- Antarctica 70 Treffer
- Canada 70 Treffer
- North America 9 Treffer
- Northeastern States 8 Treffer
- Arctic regions 7 Treffer
- California 7 Treffer
- Hawaii 6 Treffer
- Marshall Islands 6 Treffer
- Northwest, Pacific 6 Treffer
- Alaska 5 Treffer
- Antarctic Peninsula (Antarctica) 5 Treffer
- China 5 Treffer
- Micronesia (Federated States) 5 Treffer
- Moon 5 Treffer
- Polar regions 5 Treffer
- America 4 Treffer
- Antarctic Peninsula 4 Treffer
- Lake States 4 Treffer
- New Zealand 4 Treffer
- Pacific Ocean 4 Treffer
- Australia 3 Treffer
- British Columbia 3 Treffer
- Canada, Northern 3 Treffer
- Cold regions 3 Treffer
- Graham Land 3 Treffer
- Graham Land (Antarctica) 3 Treffer
- Great Basin 3 Treffer
- Mars (Planet) 3 Treffer
- Middle West 3 Treffer
- Pacific Area 3 Treffer
- Palmer Land 3 Treffer
- Palmer Land (Antarctica) 3 Treffer
- Rocky Mountains Region 3 Treffer
- South America 3 Treffer
- Washington (D.C.) 3 Treffer
- Alberta 2 Treffer
- Antarctic Ocean 2 Treffer
- Atlantic Ocean 2 Treffer
- Colorado 2 Treffer
- Developing countries 2 Treffer
- Europe 2 Treffer
- Islands of the Pacific 2 Treffer
- Italy 2 Treffer
- Japan 2 Treffer
- Larsen Ice Shelf (Antarctica) 2 Treffer
- Larsen Ice Shelf Region 2 Treffer
- Mexico 2 Treffer
- Pacific Islands (Trust Territory) 2 Treffer
- Palau 2 Treffer mehr …