This professional clown's home is an outsider art wonderland.

An antique curios dealer and hybrid taxidermist.

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

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

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

The historic Masonic Lodge in which the first-ever female Mason was initiated.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

One of the oldest masonic museums in Paris.

This little-known relic crypt holds stolen parts of a Roman Empress.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

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

A subterranean shelter remains intact under a busy Paris railway station.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

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

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

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

A museum of magic with a Sadist past.

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

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Come for the bread-themed puppet show, stay for the buffet.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

The somewhat misnamed 'Garden of Shells' lovingly built from found objects.