Avant garde house of Pierre Cardin on the Cote d’Azur.

This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

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

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

A Gothic cathedral created from volcanic rocks.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

The largest underground church in Europe.

Historic medieval fortified city in southwest France.

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

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

Ancient paintings known as the "Sistine Chapel of Cave Art."

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

One of the greatest maze designer’s greatest mazes.

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

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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.