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This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

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

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

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

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

On the top floor of an upscale department store stands a lavish restaurant housed in a replica of a luxury French dining car.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

A Hungarian pharmacy museum with a box full of mummy powder.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

A museum in the childhood house of a medical pioneer.

The fantastic architectural models of a French traveler.

French Time Capsule-19th Century home revealed to the public.

One of the world's most complex timepieces.

150-year-old satirical tableaus made from stuffed frogs.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Japanese company creates clone dolls that reside in the "uncanny valley."

Meet the world's longest tapeworm in a collection that really gets under your skin.

A tiled, multi-level garden of survival in Lyon.

Museum dedicated to wax representations of disfiguring diseases.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.