A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

A unique museum tells the story of the day-to-day life of World War I soldiers.

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

This small commune with an even smaller name appears to have an unlikely amount of dead ancestors.

Live-in sculpture begun by one family in 1979.

Resting on a hill overlooking the coast, these medieval ruins look completely deserted save for their restored chapel.

A castle-like sea fort from the 17th century is now a museum to oyster farming.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

This otherworldly French waterfall looks like its waters have turned to stone.

French commune at the heart of conspiracies.

One man's desire to transcend art led to the construction of this outsider chapel.

These medieval ruins have survived since the 12th century, even providing shelter from the Nazis.

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

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

An underground city of ancient quarry tunnels hid thousands of Allied soldiers in WWI.

Natural mummies hidden in the crypt of a medieval French church.

Despite centuries of architectural innovation, this French castle is being built like it's the 13th century.

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

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

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

This narrow path was cut right into a French mountainside to feed the country's early naval expansion.

One of the world's most complex timepieces.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

A self-built mosaic house and sculpture park.