Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

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

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

The curious underground history of keeping Paris clean.

The history of radiation is on safe display at the foot of a radiation science laboratory.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

A unrivaled and rather horrifying collection of wax dermatological models.

A surrealist timepiece by the artist of melting clocks.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

This massive library holds what was once the largest book collection in the world.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

Paris' linguistic guide to the international language of, yes, love.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

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

A museum of magic with a Sadist past.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

Abandoned railway line circling the city of Paris.

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

One of the oldest medical collections in Europe focusing on rare surgical instruments.