Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The first safe in this California town had to hold all the gold.

This eagle-topped spire remembers the military commander who snatched up California for the United States.

This home is decked out like a psychedelic explosion of colors and bowling balls.

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

Over 300 taxidermied animals in a Californian restaurant make for a taxidermist's dream and an animal lover's nightmare.

Location of the most powerful laser in the world, and the potential birthplace of tiny stars.

A ruined hotel with an unlucky history and an eerie present.

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

The huge granite obelisk that towers over a small California town.