Though it may be abandoned, Ballycarbery Castle remains a captivating symbol of Ireland's rich history. Predjama Castle, built into a sheer cliff face in Slovenia, is a marvel of medieval engineering.

Italy has some 5,000 ghost towns, many boasting temples covered in moss, collapsed medieval abbeys and crumbling Renaissance ...

the manor was largely abandoned. For many years, it remained almost untouched, preserving much of its original medieval and Tudor architecture, including its 16th-century features. During the 19th ...