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

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

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

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

Large collection from the 3rd millennium BCE.

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

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

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

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

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.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

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

This natural wonder is disappearing at an alarming rate.

A cluster of granite granaries perched on stilts.

This castle has links to Portugal’s founding and struggles for independence.

This 18th-century former mosque held the first Hellenic Parliament.

The southernmost outpost of the Russian Empire in colonial America.

At just 51 feet and 10 inches long, it's the shortest street in England.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

The location of this historic castle was inspired by a donkey.