Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

A remote hilltop covered in giant monoliths haunts the Brittany countryside.

Perfume museum and library.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

Located in the house where Gustave Flaubert was born, this odd museum has more to do with medical grotesquery than the Western novel.

This otherworldly French waterfall looks like its waters have turned to stone.

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

A colossal sculptural lion built by the same man who designed the Statue of Liberty.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.

These crumbling Nazi artillery bunkers are now fair game for massive graffiti projects.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

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

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

Since ancient times these picturesque springs have been providing bathers with healing waters.

An enchanting work of outsider art, full of whimsical sculptures and carvings.

Ghosts of France's colonial past.

Sleep in a climate-controlled plastic bubble for the night.

The world's largest reflecting pool is just two centimeters deep.

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

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

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