A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

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

The abandoned summer estate of the former Greek Royal Family.

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

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

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

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

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

Poseidon? No one seems to know.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

Where commuters walk through remnants of an ancient Greek necropolis.

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

An autonomous republic of Orthodox monks.

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

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

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

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

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

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.

The hallucinogenic center of the ancient world.

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

A huge enchanting public park just outside the ancient walls of Rome.

The ruins of an abbey believed to have been founded by Charlemagne in the 9th century.