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

Home to the "Circus" trees created by Axel Erlandson.

The haunting ruins of Jack London's dream house.

A hotel and restaurant serving as the mecca of kitsch.

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

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

Commonly referred to as the most photographed Victorian home in the United States.

Oldest building in California still in use.

Gift shop offering toe tags and chalk body beach towels tucked into a coroner's office.

Canyon walls shrouded in ferns.

The remains of a 12th-century chapter house in Golden Gate Park.

Internationally-recognized arts center housed in a century-old former military barracks.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

Eclectic collection of dark and macabre antiques.

Floating man-made island and upscale restaurant.

Hand-powered race of alternative forms of transportation.

Celebrating the transformation of trash into objects of beauty.

A trash dump made beautiful by nature's power.

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

A store that sells all manner of bones, insects, and animal curiosities.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

The legendary building that needed ghostly approval before being built.