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

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

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

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

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

Where commuters walk through remnants of an ancient Greek necropolis.

This secret coastal village is studded with pastel-colored houses all piled on top of one another.

The ancient latrines of the Greeks, in all their public glory.

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

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

This famous archeological mystery may be an ancient example of movable type.

Ancient Greek oracle of the dead.

The hallucinogenic center of the ancient world.

This legendary city has been a tourist attraction for centuries.

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

This town named for the ancient God of War is home to fewer than a thousand people, but it's the birthplace of the Greek Revolution.

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

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

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.

Ruins of the Crusaders' headquarters.

A 1,500-year-old ghost settlement is slowly fading away.

A sacred lake with thousands of sacred carp and a biblical history.

Roman ruins, natural methane fires and a lovely beach.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.