A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

California's own majestic geyser is powered by a subterranean volcano.

Once a place of peaceful repose, this sanitarium now faces an uncertain future.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

A Mysterious Masonic tomb in San Luis Obispo.

A beloved carnival gets a modern makeover in Los Angeles.

A deserted hodgepodge of experimental structures designed by nearby university students.

An old California photo stand has been turned into a shrine to the cozy art of crochet.

World's largest collection devoted to one fruit.

"The Hoppiest Place in the World" holds the world’s largest collection of bunny memorabilia and is a singular testament of a couple's devotion to all things Leporidae.

A fake town founded by Western movie stars is now becoming a hip desert community.

Where the line between entertainment and aerospace blurs.

A popular tourist cave with a dark past.

A large instrument played by the wind.

Home to the "Circus" trees created by Axel Erlandson.

A quirky collection of figurines backdropped by city views is hidden next to a popular restaurant in the Hollywood hills.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

An optical illusion found amid a logged redwood forest.

Los Angeles's oldest cemetery allows visitors to trace the history of this proud city.