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

The home where the famous astrologer wrote some of his most telling prophecies.

A French library that makes sure its love of books is writ large... giant in fact.

This historic stone gate tower is now just a lonely relic in the middle of a swamp.

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

This French "sea of rocks" is packed with stunning rock formations and its own medieval castle.

This army of concretions is an unexplained geological phenomenon unlike anything else in the world.

Thanks to a clever legal loophole, this mountainside wine shop sells a hybrid cuvée that's been outlawed for nearly a century.

Whether hero or rogue, his silver bullet is said to have taken down the murderous "Beast of Gevaudan."

Memorializing the bravery of one young woman facing the monster of her age.

An unsettling shrine dedicated to the ravenous beast that prowled 18th-century France.

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

Series of underground houses inhabited continuously for centuries.

One of the greatest maze designer’s greatest mazes.

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

A Gothic cathedral created from volcanic rocks.

Explore the 500-year history of silk-making in Lyon at this museum, workshop, and boutique.

This abandoned church in central Lyon is missing its front stairs.

Inside this museum, Christians were imprisoned when the Romans controlled Gaul.

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

This hidden garden boasts amazing views of Lyon.

Antique cinematography artifacts fill this museum dedicated to the inventors of the moving picture.

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

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