A museum of magic with a Sadist past.

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

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

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

The oldest stone house in Paris was built by its most famous alchemist.

Notorious artist squat renovated into legal studios.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

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

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

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

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

A modern-day Lascaux cave underneath Paris.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

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

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

The curious underground history of keeping Paris clean.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

A whimsical monument deep in this park commemorates the groups that helped build it.