This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

The not-quite-incorruptible St. Bernadette is perhaps the most beautiful of preserved saints—with a little help from Paris.

The huge golden reliquary of a testicle-smashing saint.

A Christian retreat founded to welcome refugees fleeing from the Nazis during World War II.

When the imprisoned pope's remains were finally returned to the Vatican, his heart stayed behind in France.

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

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

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

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

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

Fur-lined metal pod dangling in the French countryside.

Explore the art and history of intricate, hand-crafted tile designs at this small museum.