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

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.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

This museum houses an imposing skeleton army comprised of creatures great and small.

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.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

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

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

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

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

This massive library holds what was once the largest book collection in the world.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

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

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

Abandoned railway line circling the city of Paris.

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.

This eccentric cave dwelling is bizarre even by the standards of a subterranean town.

An Australian lake whose pink hue defies scientific explanation.

Alien rock formations grown from the sands of an Australian national park.

An abandoned marine theme park has created a difficult experiment in dolphin rewilding.