What is left of the pillar of Saint Simeon, the voluntary martyr who climbed the column to give his sermons, remaining perched there for thirty-seven years.

Naturally protected city carved from a rock face.

Submerged lava formations create incredible waterworks.

Italy's third-largest Roman arena gives a peek into the underground operations beneath the ancient spectacles.

An enormous Buddha peers through a gap in its ruined chamber.

Abandoned 18th century weapons factory in the Aezkoa Valley.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

Eclectic final resting place of the controversial explorer.