Region
United States
62
North America
10
Alaska
9
California
9
Amazon River Region
7
Australia
7
China
6
Japan
6
Minnesota
6
South Africa
6
West (U.S.)
6
America
5
Brazil
5
Caribbean Area
5
New York (State)
5
San Francisco Bay Area
5
San Francisco Bay Area (Calif.)
5
Africa
4
Earth (Planet)
4
Europe
4
États-Unis
4
Great Britain
4
Hudson River (N.Y. and N.J.)
4
Italy
4
Massachusetts
4
Northwest, Pacific
4
San Francisco (Calif.)
4
Boston Region
3
Boston Region (Mass.)
3
Boundary Waters Canoe Area
3
Boundary Waters Canoe Area (Minn.)
3
Hawaii
3
Louisiana
3
Middle East
3
Nevada
3
New York
3
Northwest Coast of North America
3
Oregon
3
Pacific Area
3
San Francisco
3
West United States
3
Antarctica
2
Appalachian Region, Southern
2
Atlantic Coast
2
Atlantic Coast (Brazil)
2
British Columbia
2
Canada
2
Chesapeake Bay Region (Md. and Va.)
2
Chicago
2
Chicago (Ill.)
2
more ...