Museum in a swimming pool where the water still flows.

The world's tallest bridge is also possibly the most elegant.

A self-built mosaic house and sculpture park.

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

This is what trains will look like after the zombie apocalypse.

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

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

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

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

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

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

This off-limits room in the National Library of France is home to a system of pneumatic tubes, once used to bring books to readers.

Two small chapels housed inside an ancient tree.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

An icy lake tucked among jaw-dropping alpine panoramas.

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.

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

Indents in the pavement are all that remain from a grisly death machine in Paris.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

France's national museum of scientific and industrial instruments.

A surrealist timepiece by the artist of melting clocks.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

A museum of carnival attractions where you are invited to ride the rides.