The legendary building that needed ghostly approval before being built.

This beautiful ridge-top trail is dotted by tiny homes apparently built by a group of itinerant fairies.

A master of deception, Harry Houdini's greatest trick may have been living in two places at once.

Where NASA's satellites and rovers phone home.

Experience the "opulence, grace, and grandeur of Eureka's most famous Victorian Inn."

Its dark depths conceal millions of rare, delicate crystal formations.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

This graveyard is the eternal home of the residents of a vanished California town.

A surreal, Gaudi-inspired play space near an Anaheim community center.

About 80% of all U.S. avocados are descendants of Rudolph Hass's glorious tree.

A small sculpture garden that provides a microcosmic representation of California.

The Hopi-style structure was built by the man who discovered Desert Hot Springs' famous mineral water.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

A vast city of the dead, where the deceased outnumber the living by more than a million.

The house where Good Will Hunting was written is a surreal fairytale abode.

360-degree virtual reality chamber physically immerses scientists into their data.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

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.

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

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

The haunting ruins of Jack London's dream house.

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

This impressive tunnel was dug entirely by hand over the course of 36 years.