An ancient Greek monument and a Byzantine church coexist inside this cave.

Get hands on with the technological marvels of the Classical world.

This ancient statue of Dionysus lies unfinished and abandoned in one of Greece's oldest quarries.

Where commuters walk through remnants of an ancient Greek necropolis.

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

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

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

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.

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

The hallucinogenic center of the ancient world.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

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

This museum explores the lives of Chang and Eng, the "Original Siamese Twins."

This North Carolina grave is the final resting place of the world's most famous conjoined twins.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

This North Carolina store preserves a historic moment in America's movement for racial equality.

Jule Körner's house full of bizarre architectural details.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Statue dedicated to the star of an old television show.

A unique botanical garden housed in three giant geodesic domes.

More than 5,000 contemporary and "historic" mustards from around the world.

The arboretum whose marshy soil sucked up the dreams of housing developers.