A Nesting Doll of Churches.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

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

From carts to cars, this leftover Roman bridge in France has managed to survive for centuries.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.