A ghost town at the airport is now a refuge for blue butterflies.

San Diego's most historic and haunted home.

Most famous work of one of Frank Lloyd Wright's sons.

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

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

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The ghost town that ended up on Ebay.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Explore 10 acres of environmental sculptures.

World-famous, Pink's still manages to keep its prized cult fetish status.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

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

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A hotel and restaurant serving as the mecca of kitsch.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

This shop specializes in oddities and Victorian-inspired wonders.

Resting place of Hollywood's immortals is also site of summer film screenings.

Medical and zoological curiosities for sale.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A psychedelic labyrinth on the San Francisco bay.