A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

Peek through a transparent pyramid and drink in the mountain made of books.

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

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

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

A kaleidoscopic warehouse-maze of handmade neon signs.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

Shells collected from over a hundred different countries line the walls, floors and ceilings of this fantasy museum.

Serving you alcohol with a side of insanity. Also, costumes!

The world’s first hotel to be run by robots.

Abandoned Japanese ghost town gives a glimpse into what our own metropolises may leave behind.

This pair of small sea rocks has been "wed" using rope and ancient Shinto tradition.

Reportedly 1,400 years old, this may be the first of the Fiji Mermaids.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

This neighborhood thoroughfare is haunted by dozens of homemade monsters.

This 700-year-old street food market features baby octopus and soy donuts.

Japanese island famous for poison gas and fluffy bunnies.

Fine dining in the bizarre world of Lewis Carroll.

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

On Japan's Tashirojima Island, cats are king.

“And the Lord said unto Johan, build for thee an ark for the end of the world is approaching.”

The Netherlands' first car tunnel has an unusually rectangular shape.