This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

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

An aluminum skeleton brings Chinese mythology to the French shore.

Historic medieval fortified city in southwest France.

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

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

Monsters and miniatures are held in equal esteem at this wondrous museum.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

A Gothic cathedral created from volcanic rocks.

Ghosts of France's colonial past.

Two small chapels housed inside an ancient tree.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

The famous winding walk at Chartres is surrounded in mystery and myth.

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

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

This massive blockhead sculpture hides an entire library.

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

The largest underground church in Europe.

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

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.