One of the greatest maze designer’s greatest mazes.

When the imprisoned pope's remains were finally returned to the Vatican, his heart stayed behind in France.

These quaint French houses dangle precariously over a precipice.

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

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Looming communist pillar with a Czech twist.

A mocking tribute to the past and modern leadership of Prague.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This massive blockhead sculpture hides an entire library.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Artists and musicians now rule over this former rail station.

A student driver's nightmare.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

Monsters and miniatures are held in equal esteem at this wondrous museum.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Notorious artist squat renovated into legal studios.

A museum of carnival attractions where you are invited to ride the rides.

Abandoned railway line circling the city of Paris.

France's most famous cemetery, with some of its most curious tombs.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

A tiled, multi-level garden of survival in Lyon.