Strange red rock formations that have been attributed to a higher power for hundreds of years.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.

Where Venice's gondolas go for a tune-up.

The only museum with its curator—and her pets—buried inside.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Go inside to really appreciate this 500-year-old technological masterpiece.

Architectural monsters are devouring this palace's every door and window.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The celebrated eyesore created by starry-eyed sweethearts.

Inside a former cabaret, seven floors of erotic art.

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.

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

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

How did a French journalist’s grave become the sexiest statue in the cemetery?

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

France's national museum of scientific and industrial instruments.

A museum of magic with a Sadist past.

A museum of carnival attractions where you are invited to ride the rides.

France's most famous cemetery, with some of its most curious tombs.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.