The huge golden reliquary of a testicle-smashing saint.

A journey through the history of medicine throughout the centuries.

A landscape decorated with enormous skull sculptures.

Got apples?

An unusual number plate signifies the building's saucy past.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

A Belle Epoque bordello turned into a themed love hotel.

A font of vintage porn on the silver screen.

An all-American grocery store in Paris sells U.S. "cuisine" like Pop-Tarts and Heinz ketchup to homesick ex-pats.

An antique curios dealer and hybrid taxidermist.

Weird wax anatomical models reside here, as do other anatomical specimens.

The largest medical and anatomical collection in France lies hidden from the public.

Inside a former cabaret, seven floors of erotic art.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

A mechanized clock where a man fights off a dragon, crab, and rooster.

The celebrated eyesore created by starry-eyed sweethearts.

One of Jeff Koons’s largest sculptures and his first commemorative work.

The tombstone of an unfortunate explorer who disappeared in the Paris Catacombs.

The heaviest gold coin ever minted.

A museum dedicated to linguistics, from how babies learn to talk to endangered and extinct languages.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

This mural painted by Keith Haring was done without payment as a gift to entertain the children at the Hôpital Necker.

This emotive sculpture was originally created for the 1878 World's Fair.

The video game-themed street art first popped up in the French city.