A unique market that brings together various goods and cultures.

Radioactivity still cause for concern at this urban explorer's paradise.

The world's most famous donkey lives in this pen.

From buttons to beads, flounces to fripperies, this textile museum and shop honors the history of needlework.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

Collective dedicated to restoring steam engines.

A classically inspired temple in Redwood City.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

A large instrument played by the wind.

A hidden world of exotic succulents and cacti.

Dive bar built out of the remains of a whaling ship.

A humble garage, world-famous for being the epicenter of a technology revolution.

Playable, historic pinball machines fill this Alameda museum.

A Roman-inspired temple once controlled half of San Francisco's waters.

The black lab that was voted mayor of a California town is forever remembered by a life-size statue.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

Neoclassical Revival mansion and set of horror cult classic Phantasm.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

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

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

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

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

Abandoned Air Force base that has fallen into disrepair.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.