The world's only museum devoted to the wonders of fluorescence.

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

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

A museum of magic with a Sadist past.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

A haunting collection of the vanished and disappearing natural world.

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

This off-limits room in the National Library of France is home to a system of pneumatic tubes, once used to bring books to readers.

The oldest stone house in Paris was built by its most famous alchemist.

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

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

A modern-day cabinet of curiosities housed in a 300-year-old inn.

France's most famous cemetery, with some of its most curious tombs.

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

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

A unrivaled and rather horrifying collection of wax dermatological models.