The oldest Naval cemetery on the West Coast.

This 19th century train workshop is a treasure trove of railroad history.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

A massive volcanic plug is now a protected area that hosts a number of bird species.

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

This giant temperature attraction created some giant electric bills.

27-room home built with the fortune of a sugar magnate.

Concrete strongholds stand guard over the Golden Gate.

This sculpture garden in Death Valley makes you feel like you've slipped into some alternate reality.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

A pier that used to act as a busy ferry dock is now a decaying favorite of local fisherman and urban artists.

California's oldest wind harp represents a historic piece of America's Danish history.

This abandoned boat was left in place thanks to its rotting beauty.

A classically inspired temple in Redwood City.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

Marta Becket's hand-painted theater in the desert.

The former Naval shipyard is open for exploring - mostly.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

The headquarters of a secretive order is also a beautifully-designed park.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

The unbelievably opulent home built for an infamous newspaperman.

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

Abandoned Air Force base that has fallen into disrepair.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.