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

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

If they push on just the right spot, even the weakest person can move this titanic boulder.

A French valley with forests so lush it was nicknamed "the Small Amazonia of the Pyrenees."

There has been an astronomical clock on this spot since the 14th century.

A self-built mosaic house and sculpture park.

One woman's decades-long obsession with the "La Fée Verte."

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

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

These quaint French houses dangle precariously over a precipice.

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

The fantastic architectural models of a French traveler.

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.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.

A Gothic cathedral created from volcanic rocks.

Historic medieval fortified city in southwest France.

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

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

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.

An icy lake tucked among jaw-dropping alpine panoramas.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.