Explore the rugged beauty of Crichton Castle in Scotland, the coastal charm of Aci Castle in Italy, and the enchanting ruins of Aggstein and Hinterhaus Castles in Austria. Marvel at Walzin Castle ...

Crichton Castle in Scotland and Kinbane Castle in County Antrim. And European edifices such as Xixona Castle in Alicante and Birkenfels Castle in Alsace. They may not be looking so grand today ...