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.

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

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

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

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

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

Giant marble phalluses on the sacred island of antiquity.

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

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

The hallucinogenic center of the ancient world.

A colossal statue with a controversial past, forgotten for more than 30 years.

The enormous smoke hides within a little known, semi-secret exhibit inside Havana’s Morro Castle Historic Park.

An old slave lookout in Cuba's historic sugar cane fields.

Prehistoric history as seen through the lens of an outsider artist.

Cuba's historical trains remind natives of their country's sugary sweet past.

Roam the cradle of the Cuban Revolution with life-sized dinosaurs.

This communist country can still appreciate its fragrant past.

Neo-cave art on the macro scale.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A Spanish-style estate that has traded black ties for rock concerts.