Cantacuzino Castle

Romania

Cantecroy Castle

Belgium

Canterbury Castle

the United States

Capalbio

Italy

Cape Coast Castle

Ghana

Cappenberg Castle

Belgium

Captain's Citadel

Bosnia and Herzegovina

Carani

Romania

Caransebeș

Romania

Carașova

Romania

Carei

Romania

Carey Mansion

the United States

Carlow Castle

Ireland

Carlsten Fortress

Sweden

Museum

Carmine Castle

Italy

Carolinaberg Castle ( Burchtruine van Carolinaberg )

Belgium

Carpaneto Piacentino

Italy

Carpiano

Italy

Carra Castle

Ireland

Carrickfergus Castle

Ireland

Carrollcliffe

the United States

Carrowdore Castle

Ireland

Cartier Castle

Belgium

Cary Castle

Canada

Casa Loma

Canada

Casal de' Pazzi

Italy

Casale Monferrato

Italy

Casier Castle

Belgium

Cassano d'Adda

Italy

Cassino Scanasio

Italy

Casteau Castle

Belgium

Castel Campagnano

Italy

Castel Camponeschi

Italy

Castel Capuano

Italy

Castel Delfino

Italy

Castel Fontana

Italy