This popular pilgrimage site offers a hole filled with holy healing dirt.

"I did this all while you were watching TV."

A cave's rare beauty held a cavernous secret hidden underground.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

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

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The only theatre in the world constructed specifically for sound movement.

An L.A. traffic island where the faces of locals have been carved into massive granite eggs.

A lonely Gondola stuck on a traffic circle sits in a spot where it once would have floated down the Grand Canal.

A common entry point to the Griffith Observatory trail holds its own wonders.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

Though tiki culture has gone in and out of fashion, the Tonga Hut has always been flying the flag in Los Angeles.

A "Titanic" superfan changed his name to Jack and set up this strange shrine to the blockbuster, complete with Korean food and Tarot readings.

A multimedia experience that chronicles the atrocities of racism.

The so-called "Statue of Liberty of Los Angeles" is on a one mutant mission to keep L.A. weird.

The art and history of the velvet painting are on full display in this Los Angeles museum.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.