World's largest collection of serial killer artwork and other macabre exhibits.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The world's second-largest excavated hole.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

View the California coastline (and the home of Barbara Streisand) inch by inch with stunning, government-sanctioned aerial photography.

A Mysterious Masonic tomb in San Luis Obispo.

Towering basalt columns, a creation of fire and ice.

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

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.