A historic fort commemorating the United States' naval history.

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

Masterful ceramic fountain and map of the Pacific Basin.

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

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

Deco Modern sculptures of the people of the Pacific, cast for the 1939 Golden Gate International Exposition.

A poignant memorial to a young boy whose death spurred a dramatic increase in organ donations in Italy—dubbed the "Nicholas Effect."

Room 32 of the Alta Cienega Motel has grown into a shrine to the Lizard King.

A huge work of Burning Man-inspired outsider art on the grounds of a California winery.

The mysterious, untimely death of a Canned Heat band member still haunts this unfinished home.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

If you dial the number in this abandoned office window "Sam Spade’s" secretary will ask you to leave a message.

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

A bright California graveyard with a decidedly dark side.

A Masterpiece with a Tragic History.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

Seven ceramic sculptures are scattered around this California college campus.

The rest of him lived another 61 years and was buried elsewhere.

An art collective teaching the more fiery, metal-y art forms.

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

Where the alchemists dream of transmuting base metal into gold was actually achieved.

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

San Francisco's first World's Fair, dedicated to the wonders of California.