Small French town or alien garage?

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.

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

Home to the "Rat King" of Nantes and other wonders of the natural world.

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

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

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

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

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

Green labyrinth formed by a karstic maze hidden in a preserved oak forest.

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

This bridge was constructed from the rubble of the infamous Bastille.

Statue of a decomposing prince that once held his heart in its hand.

The deserted pirate-themed restaurant still entices explorers.

An art world insider finds himself battling for his artistic home.

A chapel on a volcanic core, marking the end of a successful journey.

This French castle is said to have once held the Holy Grail but is now a gorgeous mountaintop ruin.

A mosaic-tiled house built by graveyard sweeper Raymond Isidore.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

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

An ancient monastery, a locked room, and a mysterious book heist.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

A beautiful and classically designed villa, with an hourly infestation of monsters.