Bazm Castle

Iran

Bač Fortress

Serbia

Partially restored

Beacon Towers

the United States

Beardslee Castle

the United States

Beaufort Castle

Luxembourg

Beaufort Castle, Lebanon

Lebanon

Beaulieu Castle (''Kasteel Beaulieu'')

Belgium

Beauregard Castle (Froyennes)

Belgium

Beauvoorde Castle

Belgium

Beckov Castle

Slovakia

Beclean

Romania

Beerlegem Castle

Belgium

Beersel Castle

Belgium

Restored · Castle

Beervelde Castle

Belgium

Beesde CastleHuis Cammingha

the Netherlands

Beggen Castle

Luxembourg

Behestan Castle

Iran

Beijing city fortifications

China

Beirut Castle

Lebanon

Beisbroek Castle

Belgium

Beja Palace

India

Bekal Fort

India

Bela Peč Castle

Slovenia

Belaj

Croatia

Belapur Fort

India

Belcourt Castle

the United States

Belfast Castle

Ireland

Belgaum Fort

India

Belgioioso

Italy

Belgrade Fortress

Serbia

Under restoration

Belhacem

Lebanon

Bellaghy Castle

Ireland

Bellamkonda Fort

India

Bellary Fort

India

Belle Isle Castle

Ireland

Bellevue Castle

Belgium