The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

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

Saintly bones pressed into a wax effigy of a Catholic superstar.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

This Parisian café sticks almost exclusively to an ethos of reuse.

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

France's national museum of scientific and industrial instruments.

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.

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

Abandoned railway line circling the city of Paris.

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

Notorious artist squat renovated into legal studios.

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

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

A unrivaled and rather horrifying collection of wax dermatological models.

Inside a former cabaret, seven floors of erotic art.

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

A haunting collection of the vanished and disappearing natural world.

The curious underground history of keeping Paris clean.

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

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

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

19th century pendulum and a clock restored by a rogue group of guerilla artists.