The longest burning light bulb in the world.

An Airy Would-Be Solution to a Housing Shortage.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

Rusty industrial city full of oxidized distillation towers.

340 bicycles, 65 feet high.

First LEED-certified gas station in the United States.

The sun acts as a key that only fits this giant keyhole twice a year.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

Where religious effigies, magic soaps, and occult candles are brought to customers at wholesale prices.

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

A "haunted" landmark on the coast of Southern California.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

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

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

The cobbled together compound of a deceased artist which now serves as a filming location.

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

A private home built to resemble the shape of a microscopic creature.

California's own majestic geyser is powered by a subterranean volcano.

Abandoned anti-ballistic missile base.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

The miraculous hydrant that saved the Mission District in 1906.