This California estate was either haunted by ghosts or the Marx brothers.

The artwork that Italians felt California didn't deserve.

A stranded woman lived alone on this remote island for 18 years, inspiring the great children's novel "Island of the Blue Dolphins."

A free, public museum dedicated to the fascinating science of sight.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

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

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

Explore 10 acres of environmental sculptures.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

A modern mechanical planetary system, part of a 10,000 year clock.

The ghostly remains of an accidental sea.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.