These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

One of the world's longest murals depicts the history of diversity in Los Angeles.

Where the line between entertainment and aerospace blurs.

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

You don't want to get caught in this trap--or do you?

An unreal vintage shop that wears its dadaist influence on its zombie fish.

From Japan to Italy, this California park explores the world's cultures through their gardens.

The show's fictional Korean medical camp was created in the Santa Monica hills.

Rusty pieces of metal jutting out of a breakwater are all that's visible of the 12,500-ton ocean liner that capsized just off the beach.

The quiet canyon has a tumultuous history involving a doomsday cult.

A classic American barn that was the home of a classic American television star.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

This stockpile of junked electronic and mechanical gadgets is a favorite among Hollywood prop masters.

"Looks so real, it's scary!"

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

The famous animator's private station house and man-cave was the birthplace of imagineering.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

One of the world's largest collections of rare and magnificent bird specimens.

A Bicycle Path in the Sky.

A castle that was built stone by stone by an eccentric journalist.

This peaceful garden is hidden on the grounds of a spiritual organization founded by a pioneer yogi.

A one-of-a-kind collection of a unique medium.