A cluttered and astounding collection of antiquities and curiosities.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.

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

BDSM, 1930s Style.

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

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

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

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

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

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

A font of vintage porn on the silver screen.

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

The first green space constructed on an elevated viaduct.

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

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

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

A unrivaled and rather horrifying collection of wax dermatological models.

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

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

France's national museum of scientific and industrial instruments.

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

Paris' linguistic guide to the international language of, yes, love.