Anyone can control this glittery light installation with just a phone call.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

A 1920s speakeasy that had rum runners racing up and down the shores of California.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

A mysterious monument covered in a binary code marks the heart of tech.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

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

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

A trail weaves through the verses of a poem illustrated by stone sculptures inspired by Native American pictographs.

San Francisco Bay's ghost town.

If you are looking for a used Russian battery, Chinese Ham Radio or other electronic oddities this Flea Market is a good place to start.

This odd California folly seems like it was almost designed to accumulate urban legends.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.