This demon atop the Notre-Dame de Paris looks utterly bored.

A font of vintage porn on the silver screen.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

The Sun King's military models, saved from the Louvre.

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

An odd museum dedicated to French fakes.

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

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

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

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

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

A modern-day Lascaux cave underneath Paris.

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

How did a French journalist’s grave become the sexiest statue in the cemetery?

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

Indents in the pavement are all that remain from a grisly death machine in Paris.

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

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

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

This massive library holds what was once the largest book collection in the world.