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.

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

A short distance from the Eiffel Tower is the final resting place of several of the city’s more well-known and interesting characters.

The personal library of the founder of modern neurology is open to visitors.

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

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

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.

BDSM, 1930s Style.

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

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

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

Paris' fabled purveyor of exotic taxidermy and natural history curios.

The first green space constructed on an elevated viaduct.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

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

Statue of death tucked in the University of Medicine courtyard.

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

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

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

Indents in the pavement are all that remain from a grisly death machine in Paris.