Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

A long-vacant Scottish Rite temple in Hollywood has been converted into an art museum filled with Masonic relics.

An abandoned boat that's been stranded mysteriously for decades.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

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

Abandoned anti-ballistic missile base.

Abandoned Air Force base that has fallen into disrepair.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A Bicycle Path in the Sky.

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

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

The rusting remains of the largest assembled WWII fleet on the West Coast.

One of the ghostly stops along Route 66.

The liveliest ghost town in the state.