Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

Acres of natural wonders left behind by a socialite-turned-gardener.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

Lucha Libre (Mexican Wrestling) themed taco shop.

A multimedia experience that chronicles the atrocities of racism.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

The unbelievably opulent home built for an infamous newspaperman.

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

The abandoned personal amusement park of the King of Pop.

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

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

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

An eclectic trailer park retreat in the middle of the California desert.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

San Diego's most historic and haunted home.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

The site of murders and Satanic cult gatherings.