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

Noirish green neon marks the location of one of the oldest private detective agencies in France.

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

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

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

A modern-day Lascaux cave underneath Paris.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

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

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

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

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

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

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

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

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

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

The first green space constructed on an elevated viaduct.

The curious underground history of keeping Paris clean.

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

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.