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

An abandoned Cold War missile radar site.

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

This infamous prison has a store where you can buy goods crafted by incarcerated people.

Playable, historic pinball machines fill this Alameda museum.

A hidden world of exotic succulents and cacti.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

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

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Outposts of this restaurant chain were shaped like jaunty chapeaus.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The miraculous hydrant that saved the Mission District in 1906.

This old mining town, deep in the California desert, has a year-round population of one.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

The location of the last stand of Charles Manson's doomsday cult.