This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

Where commuters walk through remnants of an ancient Greek necropolis.

The ruined doorway is a portal to the building's turbulent and torturous past.

Legend says this sacred tree was a gift from goddess Athena.

Large collection from the 3rd millennium BCE.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This little Greek plateau is home to thousands of rustic, white-sailed windmills.

This abandoned Greek island was the last active leper colony in Europe.

An alien landscape on the banks of the Aegean Sea.

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

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

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

Ancient Greek oracle of the dead.

Giant marble phalluses on the sacred island of antiquity.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

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

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

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.