A museum of magic with a Sadist past.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

A curious collection of locks and keys.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

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

Dolls of all shapes and sizes display the eras of femininity in this spooky and beautiful collection.

This little-known relic crypt holds stolen parts of a Roman Empress.

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

Ride the subways of yesteryear.