This Roman amphitheater is said to be King Arthur's legendary Round Table.

A cave network located at the southernmost tip of mainland Greece was once believed to be an entrance to Hades.

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

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

The hermits of Karoulia protect their asocial lifestyles by living on the vertical face of a treacherous precipice.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

Hideout of thieves, monks, and goat-footed gods.

A grotesque collection of wax limbs depicting the symptoms of venereal disease.

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

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

Poseidon? No one seems to know.

An abandoned Byzantine fortress and notorious prison.

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

A two thousand year old brothel uncovered in Northern Greece.

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

Once the largest rope factory in Greece, this abandoned plant now stands like a ghost of industry past.

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

The Greek island's old British cemetery feels like a forgotten garden.

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.

Local lore says two enemy dragons live within these breathtaking mountain lakes.

Ancient Greek oracle of the dead.

The ruins of this monumental city founded by the first Roman Emperor are strangely overlooked by most travelers.

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