Region
Africa, East
1
Angola
1
Austria
1
Beirut
1
Berlin (Germany)
1
Boston (Mass.)
1
Brazil
1
British Columbia
1
California
1
Chicago (Ill.)
1
Chiloé (Chile)
1
England
17
Europe
2
Eyam (England)
1
France
5
Great Britain
1
Harlem (New York, N.Y.)
1
Idaho
1
India
1
Japan
1
Lebanon
1
London
1
London (England)
2
Long Island
1
Lowell (Mass.)
1
Massachusetts
2
Michigan
1
Middle West
1
Missouri
1
Nebraska
1
New Hampshire
2
New Madrid Region (Mo.)
1
New Madrid Seismic Zone
1
New York
1
New York (N.Y.)
6
New York (State)
2
North Carolina
1
Ohio
1
Oregon National Historic Trail
1
Paris (France)
3
Pennsylvania
1
Russia
1
Salt Lake City (Utah)
1
San Francisco (Calif.)
1
Scotland
1
Seattle
1
Seattle (Wash.)
1
Southern States
1
Southern states
1
Soviet Union
1
more ...