Ghosts of France's colonial past.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

The curious underground history of keeping Paris clean.

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.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

Ancient paintings known as the "Sistine Chapel of Cave Art."

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

One of the greatest maze designer’s greatest mazes.

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

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Inside a former cabaret, seven floors of erotic art.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

Science fiction's grandfather has a fittingly marvelous tomb.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

A surrealist timepiece by the artist of melting clocks.

Statue of death tucked in the University of Medicine courtyard.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

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

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

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