100-windowed castle turned art gallery, built by one dedicated mason.

For a brief time in 1960s France, families could climb into a tiny submarine and be pulled along an underwater journey.

A neighborhood church's unusual abstract stained glass was the final project of avant-garde artist Jean Cocteau.

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

The largest crypt ever constructed in France was built in the 11th century on an ancient Druid sacred site.

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

This tiny hotel perched atop a 50-foot tower really puts things into perspective.

Artist Danielle Jacqui decorates nearly every inch of her home inside and out with her work.

Walk through living pictures and music in the Cathedral of Images.

Fighting the British and making game shows for over 150 years.

France's high-tech, future-themed amusement park.

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

Jean Tinguely's bizarre monster sculpture is hidden deep in a forest.

Perfume museum and library.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

An enchanting work of outsider art, full of whimsical sculptures and carvings.

A French library that makes sure its love of books is writ large... giant in fact.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

This ancient theater was once the home of fierce gladiatorial battles.

This crumbling, graffiti-covered mansion sits tantalizingly within reach of the proletariat who frequent a public park.

These crumbling Nazi artillery bunkers are now fair game for massive graffiti projects.