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

A tiled, multi-level garden of survival in Lyon.

A self-built mosaic house and sculpture park.

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

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

This collection of French root art looks like an indoor fairy wonderland.

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

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

This little-known relic crypt holds stolen parts of a Roman Empress.

These quaint French houses dangle precariously over a precipice.

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

Beautiful carved tunnels.

The Cimetière des Chiens et Autres Animaux Domestiques is one of the oldest pet cemeteries in the world.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

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

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

The fantastic architectural models of a French traveler.

This professional clown's home is an outsider art wonderland.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

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.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The famous winding walk at Chartres is surrounded in mystery and myth.

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