Unites States

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Albion Castle
San Francisco County, California
Alexander Brown House
Onondaga County, New York
Allegany County Courthouse
Allegany County, Maryland
Allegheny County Courthouse
Allegheny County, Pennsylvania
American Museum of Natural History
New York County, New York
Amsterdam Castle
Montgomery County, New York
Armory of the First Corps of Cadets
Suffolk County, Massachusetts
Atalaya Castle
Georgetown County, South Carolina
B. H. Campbell House
Sedgwick County, Kansas
Bacon's Castle
Surry County, Virginia
Bancroft Tower
Worcester County, Massachusetts
Bannerman's Castle
Putnam County, New York
Beardslee Castle
Herkimer County, New York
Beaumont Tower
Ingham County, Michigan
Belcourt Castle
Newport County, Rhode Island
Belhurst Castle
Ontario County, New York
Belvedere Castle
New York, New York
Berkeley Castle
Morgan County, West Virginia
Bettendorf Castle
McHenry County, Illinois
Biltmore Estate
Buncombe County, North Carolina
Bishop Castle
Custer County, Colorado
Bishop's Palace
Galveston County, Texas
Blantyre Castle
Berkshire County, Massachusetts