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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

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

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

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

Marta Becket's hand-painted theater in the desert.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

Version of the French Riviera destroyed by the sea.

The ghostly remains of an accidental sea.

A former utopian healing center created by a huckster and built by derelicts.

The location of the last stand of Charles Manson's doomsday cult.

The ghost town that ended up on Ebay.

One of the most unusual geological features, recognizable from a dozen hit movies.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

Explore 10 acres of environmental sculptures.

The abandoned personal amusement park of the King of Pop.

San Diego's most historic and haunted home.

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

Abandoned hotel with adjacent lake and golf course.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.