Region
Africa, East
1
Alabama
2
Alameda County
1
Alameda County (Calif.)
1
Alaska
1
Alberta, Canada
1
Albuquerque (N.M.)
1
Alemania
1
Amish Country (Ohio)
3
Angleterre
5
Antietam National Battlefield (Md.)
1
Appalachian Region
1
Arizona
14
Athens (Greece)
1
Atlanta
3
Atlanta (Ga.)
5
Atlantic Coast (Mass.)
1
Australia
5
Austria
1
Autriche
1
Avebury (England)
1
Baja California (Mexico : Peninsula)
1
Baja California (Peninsula)
1
Bali (Indonesia : Province)
1
Baltimore
1
Baltimore (Md.)
2
Beijing
1
Beijing (China)
1
Bel Air (Los Angeles, Calif.)
1
Belgium
1
Benzonia (Mich.)
1
Berkeley
1
Berkeley (Calif.)
1
Berlin
1
Berlin (Germany)
1
Bethlehem
1
Biloxi (Miss.)
1
Bisbee (Ariz.)
1
Bosnia and Herzegovina
1
Boston
19
Boston (Mass.)
22
Botswana
17
Boulder (Colo.)
2
Brentwood (Los Angeles, Calif.)
1
Brooklyn
2
Brooklyn (New York, N.Y.)
2
Bulgaria
1
California
67
California, Southern
2
Canada
3
more ...