A once-fairy tale mansion now stands in a state of disrepair.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

Dine amidst exotic plants at this former royal greenhouse.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

This ancient oak tree plays matchmaker for singles willing to branch out from the usual dating scene.

A museum dedicated to the silliest fruit.

Hackney's newest private museum and natural curiosity shop.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

The monster at the center of the Darwin Center Spirit Collection.

An incarceration museum on the spot of possibly the oldest prison in England.

Repository for more than 22 million pickled specimens.

Abstract dinosaur models in London.

A tongue-in-cheek arcade where the games are based on everyday life.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The curios of pharmacist and collector Henry Wellcome.

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

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

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.