Concrete strongholds stand guard over the Golden Gate.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

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

The largest drain hole in the world.

Large tower used for simulating radiation of Hiroshima bomb and the tallest object ever relocated.

The liveliest ghost town in the state.

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

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

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

"Only the devil could play golf here."

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

A tree bears footwear on the loneliest road in America.

The smallest country in the world.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

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

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