A huge musical instrument played by the ocean.

Internationally-recognized arts center housed in a century-old former military barracks.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

Frank Lloyd Wright died a year before construction on his largest public project even began.

An enchanting tunnel of cypress trees leads to an old morse code station still used today.

Massive prehistoric mammals used these stones as oversized scratching posts.

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

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

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

Furniture tries to escape an abandoned building in San Francisco.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Faceless white figures loom over the city from the rooftop.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

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

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

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

An enormous illuminated figure dances on the Las Vegas strip.

A creepy steel gremlin has protected the Bay Bridge since 1989.

Playable, historic pinball machines fill this Alameda museum.

An vast warehouse of everyday treasures in Berkeley, CA.