This Algerian sweet shop serves confections in an eye-popping array of hues.

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

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

The Fox Sisters, America's leading mediums in the mid-19th century, possessed a table they claimed helped them "communicate" with the dead.

A museum of magic with a Sadist past.

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

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Grab a life-changing ham sandwich at this former horse butchershop.

A Belle Epoque bordello turned into a themed love hotel.

A font of vintage porn on the silver screen.

An antique curios dealer and hybrid taxidermist.

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

Inside a former cabaret, seven floors of erotic art.

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

The oldest and smallest cemetery in Paris is only open to the public twice a year.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

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

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

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

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.