No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

Along a California highway is a kind of Jurassic Park made of metal.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

This old mining town, deep in the California desert, has a year-round population of one.

The overgrown ruins of a once thriving World War I-era copper mine.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

A ruined hotel with an unlucky history and an eerie present.

A giant donut stands as a popular symbol of Los Angeles iconography.

A large instrument played by the wind.

"Only the devil could play golf here."

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

Half of a house.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

This collector's home is a constant work in progress.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

Hundreds of trees made from glass bottles make up this forest on Route 66.

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

An extensive collection of ancient Egyptian artifacts and mummies.

World War II-era Nazi compound nestled in the Santa Monica hills.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

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

This private residence was the template for one of the most beloved television homes of all time.