Valkenburg Castle
Netherlands · Other
About
Valkenburg Castle is a ruined castle in Valkenburg aan de Geul, Netherlands. It is unique in the Netherlands in that it is the only castle in the Netherlands built on a hill. The ruins suggest that the castle was once surrounded by a moat. The castle is listed in the top hundred of Dutch cultural monuments.
Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.