Inside a former cabaret, seven floors of erotic art.

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

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

An astounding collection of taxidermy, fossils, skeletons, and even a few strange live beasts.

A small museum of antique transport that's a must-see for bicycle lovers.

The haunting concrete remains of a Nazi pebble crusher can still be found in this small French commune.

This French anatomy museum greets guests with a skinless man, mid-shovel.

Home to the "Rat King" of Nantes and other wonders of the natural world.

A massive, secret marina for the Nazis' most formidable weapon in the Atlantic.

An unsettling shrine dedicated to the ravenous beast that prowled 18th-century France.

Dedicated to the history and culture of smoking, this small museum now includes a vape lounge.

Collection of antique taxidermy and natural specimens, near one of Paris's oldest flea markets.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

Underneath a chalk hill in France lies what Hitler hoped would be the underground launching base for a devastating new weapon.

Nicknamed the "Museum of Horrors," this French anatomical collection has been fascinating visitors for over a century.

A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

An art world insider finds himself battling for his artistic home.

The deserted pirate-themed restaurant still entices explorers.

An odd museum dedicated to French fakes.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

One of the oldest masonic museums in Paris.

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

A medieval military street hidden beneath a charming French fishing village.