Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

Former hunting lodge of a duke who was an avid collector of impressionist works.

The personal library of the founder of modern neurology is open to visitors.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

The tomb of history's greatest potato promoter is surrounded by tubers.

A French artist's vague warning hangs over Belleville.

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

One of the oldest masonic museums in Paris.

An odd museum dedicated to French fakes.

This bridge was constructed from the rubble of the infamous Bastille.

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

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

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

The oldest and smallest cemetery in Paris is only open to the public twice a year.

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

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.

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

BDSM, 1930s Style.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.