Abandoned hotel with adjacent lake and golf course.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

Playable, historic pinball machines fill this Alameda museum.

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

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

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

"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 Mysterious Masonic tomb in San Luis Obispo.

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

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

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

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

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

A house built from trash known as the poor man's Hearst Castle.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

Half of a house.

A world-class observatory in the California desert.

The haunting ruins of Jack London's dream house.

The ruins of the castle that chemicals built.

The hotel room where Janis Joplin tragically died has now become a makeshift shrine to the singer.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.