Bokor Castle

Hungary

Bolaman Castle

Turkey

Bolcz Castle

Poland

Boldogkő Castle

Hungary

Boldt Castle

the United States

Bolenstein

the Netherlands

Bolesławiec Castle

Poland

Bolków Castle

Poland

Boller Castle

Denmark

Bollerup

Sweden

School

Bologa

Romania

Bolvan Fortress

Serbia

Ruins

Bomarsund Fortress

Finland

Ruined

Bombay Castle

India

Bommershoven Castle

Belgium

Bonlez Castle

Belgium

Bonneville Castle

Belgium

Bonoris Castle

Italy

Boo Castle

Sweden

Private residence

Borazjan Castle

Iran

Borač Castle

Bosnia and Herzegovina

Borač Fortress

Serbia

Ruins

Borgeby Castle

Denmark

Museum

Borgestad Manor

Norway

Borghetto di Borbera

Italy

Borgholm Castle

Sweden

Ruin

Borghoven Castle

Belgium

Borgitter Castle

Belgium

Borgo Castello di Castiglione

Italy

Borgonovo Val Tidone

Italy

Borgvold

Denmark

Borgwal Castle

Belgium

Borky Castle

Ukraine

Borl Castle

Slovenia

Borluut Castle

Belgium

Bormio

Italy