NASA's leading space science lab started by a co-founder with deep ties to the occult.

A giant donut stands as a popular symbol of Los Angeles iconography.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

Four miles of pipelines form the model of still-functioning retro-tech efficiency.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

The famous author's cottage hideaway.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

The private clubhouse for the members of the Academy of Magical Arts.

World's largest collection of serial killer artwork and other macabre exhibits.

The legendary building that needed ghostly approval before being built.

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

A hotel and restaurant serving as the mecca of kitsch.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

The former Naval shipyard is open for exploring - mostly.

A strange house built only at night, with rumored mystic inspiration.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A store that sells all manner of bones, insects, and animal curiosities.

A huge musical instrument played by the ocean.

Floating man-made island and upscale restaurant.

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

This shop specializes in oddities and Victorian-inspired wonders.