A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A couple turned their front yard into an artistic masterpiece.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

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

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

San Diego's most historic and haunted home.

The final resting place of a space program monolith.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

An inconspicuous footbridge beloved by San Diego locals.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Historic funicular railway, believed to be the shortest railroad in the world.

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

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

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

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A trash dump made beautiful by nature's power.

Resting place of Hollywood's immortals is also site of summer film screenings.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.