Region
1755
1
1755-'63
1
1848-1860
1
1860-1890
1
1890-1945
1
1980-
1
7.150
1
AMERICA
1
Abb's Valley (Va.)
2
Abb's valley, Va
2
Abbott Farm National Historic Landmark (Hamilton (Mercer County, N.J.))
1
Abbott Farm National Landmark (Trenton, N.J.)
1
Acadia
5
Acadie
3
Acoma
3
Acoma (N.M.)
3
Acoma Pueblo (N.M.)
1
Adams County
1
Adams County (Pa.)
1
Adirondack Mountains
1
Adirondack wilderness
1
Afghanistan
1
Afghānistān
1
Africa
6
Africa, West
2
Afrika
1
Akadien
1
Akadier
1
Alabama
5
Alaska
16
Albany
3
Albany (N.Y.)
2
Albany Co
1
Albemarle County (Va.)
1
Alberta
1
Albuquerque
5
Albuquerque (N.M.)
2
Alcatraz (Calif. ; île)
1
Alcatraz Island
1
Alcatraz Island (Calif.)
1
Allegany Indian Reservation (N.Y.)
1
Alleghanys
1
Allegheny Co
2
Allegheny County (Pa.)
2
Allegheny Mountains
1
Allegheny River Valley (Pa. and N.Y.)
4
Allegheny Valley (Pa.)
1
Allemagne
1
Allen Parish
1
Amazon River Valley
1
more ...