Subject Region
England
42
United States
18
Great Britain
13
London
9
New England
7
Boston
4
Italy
4
Massachusetts
4
Colorado
3
Europe
3
France
3
Germany
3
Kentucky
3
Middle West
3
Minnesota
3
Netherlands
3
New York (N.Y.)
3
Pennsylvania
3
Scotland
3
Texas
3
West Virginia
3
Wisconsin
3
Florida
2
Indiana
2
Mammoth Cave
2
Mammoth Cave (Ky.)
2
Mexico
2
New York
2
New York (State)
2
North Carolina
2
Paris (France)
2
South Carolina
2
Southwest, New
2
Washington (State)
2
Africa
1
Africa, Sub-Saharan
1
Agra (India)
1
America
1
Appalachian Mountains
1
Babylon
1
California
1
Charleston (S.C.)
1
Chichén Itzá Site (Mexico)
1
Detroit (Mich.)
1
Dumfries
1
Earth (Planet)
1
Easter Island
1
Estonia
1
Flintshire (Wales)
1
Florence (Italy)
1
more ...