Offal and flawless onion soup are on the menu at this restaurant that once catered to the workers of Les Halles.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

The celebrated eyesore created by starry-eyed sweethearts.

Former home to Polish artist Tamara de Lempicka's dazzling Art Deco duplex studio.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

This Parisian gem is one of the most incredible ethnographic museums in the world.

A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

Hot springs monkey spa in the middle of Hell's Valley.

On Japan's Tashirojima Island, cats are king.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

Love, knishes, and best wishes from this legendary Lower East Side bakery.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A beautiful but toxic fountain of mercury.

One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

The morbid items in this small and hidden museum are not for the weak stomached.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

An extraordinary collection of 18th century anatomical waxworks.