Citadella

Hungary

Cittadella

Italy

Cittadella of Alessandria

Italy

City Castle

Azerbaijan

City Palace, Jaipur

India

City Palace, Udaipur

India

Civita Castellana

Italy

Claestorp Castle

Sweden

Hotel

Claeys-Bouüaert Castle

Belgium

Clausholm Castle

Denmark

Cleerbeek Castle

Belgium

Clemency Castle

Luxembourg

Clervaux Castle

Luxembourg

Cleydael Castle

Belgium

Castle

Cleyhem Castle

Belgium

Clocktower of Serpa

Portugal

Cloisters Museum

the United States

Clonyn Castle

Ireland

Clough Castle

Ireland

Cly Castle

Italy

Coe Hall

the United States

Coevorden Castle

the Netherlands

Coindre Hall

the United States

Coleraine Castle

Ireland

Collalto Sabino

Italy

Collins Castle

the United States

Coloma Castle

Belgium

Colpach Castle

Luxembourg

Coltău

Romania

Colțești

Romania

Comarnic

Romania

Comlod

Romania

Condojanni

Italy

Confederation Building

Canada

Conversano Castle

Italy

Copenhagen Castle

Denmark