A communal oasis on Lake Zurich.

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

A constellation of golden cobblestones shows the names of local children born under a full moon.

Florentine Renaissance style building in Switzerland, home to the world's largest taxidermy Great White Shark.

For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.

Caves famous for the dragon-slaying saint who lived there.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

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

A melancholy jester sits on the grave of a famous 20th-century ballet dancer and choreographer.

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

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

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

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

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

A museum of magic with a Sadist past.

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

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

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

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

This massive library holds what was once the largest book collection in the world.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.