the United States
153 castles
Alexander Brown House
the United States
American Museum of Natural History
the United States
Armory of the First Corps of Cadets
the United States
Atalaya Castle
the United States
Bacon's Castle
the United States
Bancroft Tower
the United States
Bannerman's Castle
the United States
Beacon Towers
the United States
Beardslee Castle
the United States
Belcourt Castle
the United States
Belvedere Castle
the United States
Berkeley Castle
the United States
Bettendorf Castle
the United States
Biltmore Estate
the United States
Bishop Castle
the United States
Boldt Castle
the United States
Boston University Castle
the United States
Bowman's Castle
the United States
Bull Run Castle
the United States
Camelback Castle
the United States
Campbell Castle
the United States
Canterbury Castle
the United States
Carey Mansion
the United States
Carrollcliffe
the United States