One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Scores of wax baby figurines add an unusual mood to this beautiful church on the Greek coast.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

What once sat in the world’s spotlight is today a largely disused ghost complex.

The rocky remains of an ancient Greek forest.

This open air archeological site houses almost as much wildlife as it does classical religious artifacts.

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

Seventeen oak trees sprout from the roof and walls of this tiny chapel without any visual evidence of roots.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

The hallucinogenic center of the ancient world.

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

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

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

Large collection from the 3rd millennium BCE.

Where commuters walk through remnants of an ancient Greek necropolis.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.