A Gothic cathedral created from volcanic rocks.

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

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

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

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

Historic medieval fortified city in southwest France.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

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

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

An icy lake tucked among jaw-dropping alpine panoramas.

Do these monsters look familiar? The gargoyles on this church are all from pop culture.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.