An important example of architectural history slowly decays in the city center.

This Ottoman-era church is hidden amid a busy tourist area.

Modernist design and funerary customs meet Spartan traditions in this one-of-a-kind graveyard.

This church combines Christian, Byzantine, and ancient Greek architectural elements.

A magical, if a bit tacky, 1960s castle conjures up medieval fairytales and Greek mythology.

Gladiators once walked this ancient, subterranean passage.

One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.

The oldest standing Byzantine church in Athens is tucked within a monastery in the middle of an upscale shopping district.

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

Where commuters walk through remnants of an ancient Greek necropolis.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

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

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

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

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

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

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

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

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

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

The hallucinogenic center of the ancient world.

A Japanese corporation has turned this small island town into living modern art gallery.

In 806, Kobo Daishi began meditating on Mount Misen. The Buddhist monk lit this holy fire, which has been kept burning for 1,200 years.

An eerie reminder to the horrors of World War II.