These fantastically named natural pools look like something out of a Scottish myth.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

An abandoned boat that's been stranded mysteriously for decades.

A meditative space out of a fantasy story.

This Los Angeles animation studio is keeping the wonder of stop motion puppetry alive.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

Rainbow-hued local gem in Venice.

A trash dump made beautiful by nature's power.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Venue for strange sideshow displays and musical acts.

America's most famous piece of self-built architecture.

One man's homage to the sun continues to grow like a glass fractal.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A psychedelic labyrinth on the San Francisco bay.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A huge musical instrument played by the ocean.

A delightful but little-known public observatory and planetarium in Munich.

A subterranean display of public art and architecture.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A stairway to heaven, or to nowhere at all.

An eerie, derelict amusement park in Berlin.