The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

The former Naval shipyard is open for exploring - mostly.

Abandoned landscape once home to "the world's largest winery."

Once the largest winery in the world, this castle-like building now sits abandoned on the San Pablo/San Francisco Bay shore.

The capitol city's oldest existing cemetery.

A historic hotel in an old California railroad town with a rowdy reputation.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

Abandoned hotel with adjacent lake and golf course.

One of the largest fleets of armored vehicles in the world, sitting out in the California desert.

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