The video game-themed street art first popped up in the French city.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

Bits of architecture from a town destroyed in World War I now decorate this hotel garden.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

This small red school was where Germany signed their surrender during WWII.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

The last bastion of Roman presence north of the Alps looms over a German town.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.