Concrete strongholds stand guard over the Golden Gate.

This supermarket is suspended 25 feet above an interstate highway.

Fake rail crossings mark the site of an influential doctor's demise.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

The world's largest piece of copyrighted artwork.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

Resting place of Hollywood's immortals is also site of summer film screenings.

A trash dump made beautiful by nature's power.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

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

This giant temperature attraction created some giant electric bills.

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

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

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.

A man-made island in scenic San Francisco Bay.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

San Francisco's newly reopened hands-on science museum.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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

The show's fictional Korean medical camp was created in the Santa Monica hills.