This 15th-century island fortress later served as home to the executioners no one wanted to live near.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

Monasteries on rock pillars, once accessible only by frayed ropes.

Temple complex that once housed the famous statue of Nike.

An abandoned Byzantine fortress and notorious prison.

This field of half-buried stone crosses was the burial place of a sect of heretical gnostics.