Region
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Belarus
1
Belfast
1
Belgium
18
Benelux countries
2
Berkeley
7
Berkley
1
Berlin
2
Bermuda Islands
1
Bern
1
Bilbao
1
Binghamton
1
Birmingham
1
Black Sea Region
1
Bloomington
1
Boca Raton
1
Bolivia
1
Borneo
1
Bosnia and Hercegovina
1
Bosnia and Herzegovina
6
Boston
28
Boston (Mass.)
1
Boston Metropolitan Area
1
Boston Metropolitan Area (Mass.)
1
Botswana
1
Boulder
5
Boulder (Colo.)
1
Boulder Region (Colo.)
1
Boyce Thompson Southwestern Arboretum
1
Brattleboro
1
Brazil
232
British Colombia
2
British Columbia
36
Bronx County
1
Brookhaven
1
Brooklyn (New York, N.Y.)
4
Broward County
2
Broward County (Fla.)
2
Brussels
1
Budapest
1
Budapest (Hungary)
1
Buenos Aires
2
Buffalo
5
Buffalo (N.Y.)
1
Bulgaria
9
Burbank (Los Angeles County)
1
Burma
1
Byzantine Empire
4
Calgary
2
California
389
California National Historic Trail
1
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