Enormous underground chamber built to detect 'ghost particles' of the universe.

The Magical World of George Phar Legler.

The eccentric mansion of one the most popular horror authors of modern times.

Outsider art meets paleontology at this roadside reptile repository.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

Rebuilt remains of a temple to Roman god Mithras.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

Banksy gives themself artistic license with this piece of London street art.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

An abandoned saucer-shaped monument in the Bulgarian mountains.

The remains of diamond fever taken over by the desert.

The hallucinogenic center of the ancient world.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Century-old shop, specializing in Occult products.

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

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

Surreal riveted sea forts once protected the Kent shores from German attack.