This Parisian café sticks almost exclusively to an ethos of reuse.

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

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

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

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

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

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

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

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

The curious underground history of keeping Paris clean.

A unrivaled and rather horrifying collection of wax dermatological models.

The history of radiation is on safe display at the foot of a radiation science laboratory.

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

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

This museum houses an imposing skeleton army comprised of creatures great and small.

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.

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

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

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

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

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

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

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

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