Subject Region
Great Britain
118
America
102
United States
83
Spain
81
Arctic regions
46
West (U.S.)
45
Antarctica
42
Australia
22
Northwest Passage
22
Africa
20
France
20
Canada
18
Oceania
16
Africa, West
12
Portugal
12
Germany
11
Nile River
11
Scotland
11
Africa, Central
10
Southwest, New
10
Grand Canyon (Ariz.)
9
North Pole
9
Norway
9
Africa, Sub-Saharan
8
Italy
8
North America
8
Southern States
8
Canada, Northern
7
Colorado River (Colo.-Mexico)
7
England
7
Northwest Coast of North America
7
Southwestern States
7
Africa, Southern
6
Europe
5
Florida
5
Mexico
5
Polar regions
5
Russia
5
Africa, East
4
Alaska
4
China
4
Columbia River
4
Ethiopia
4
Latin America
4
Mississippi River Valley
4
Missouri River
4
New France
4
Newfoundland and Labrador
4
Northwest, Canadian
4
Nunavut
4
more ...