A fantastic castle rumored to be the birthplace of King Arthur.

One part local history, 99 parts gruesome haunted house.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

This South London cemetery holds the remains of more than 15,000 people.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

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

This unique Lady Liberty is one of the only examples of the figure sitting down.

This small museum displays a collection of outsider art and scale models of past "treatments" for mental illness.

The bears of Bern have been a city highlight for over 500 years.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

Artworks by loners, prisoners and the criminally insane.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

150-year-old satirical tableaus made from stuffed frogs.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

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

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

Mountain where Jesus was first tempted by the Devil.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This cemetery features modernist statues as strange as its name.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.