Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.

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

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

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

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

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

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

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

An unusual number plate signifies the building's saucy past.

This banal Parisian entranceway is not what it seems.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.

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

BDSM, 1930s Style.

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

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

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

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

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

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

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

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

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