A sharp sculpture made of thousands of pieces of jagged glass.

This remarkable cave was discovered after a shepherd watched bees enter and exit through a small fissure.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

An ancient octagonal weather station named for the eight Greek gods of wind.

Giant marble phalluses on the sacred island of antiquity.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

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

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

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

This legendary city has been a tourist attraction for centuries.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

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

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

A spectacular cave and a beguiling lake.

The hallucinogenic center of the ancient world.

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

An old watchtower from the 16th-century now watches over sulfur springs and one of Lazio's last coastal woodlands.

In a tower at this centuries-old castle, members of a noble family were imprisoned and left to starve.

Nearly 800 years old, this river lock is now a public park with a former fortified island.

An architectural oddity where the triglyphs of the courtyard of walls create an optical illusion.