This museum boasts the ninth-largest collection of insects in North America.

California's own majestic geyser is powered by a subterranean volcano.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

A large sculptural artwork and garden in Escondido, California.

A Mysterious Masonic tomb in San Luis Obispo.

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

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

The mysterious round rocks of Schooner Gulch.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

A couple turned their front yard into an artistic masterpiece.

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

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

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

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

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

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

The largest permanent Monopoly board makes one of the longest games even bigger.

A popular tourist cave with a dark past.

A 300-ship graveyard, with a few still visible at low tide.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

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

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

The abandoned personal amusement park of the King of Pop.

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