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

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

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

The remains of a 12th-century chapter house in Golden Gate Park.

A fake town founded by Western movie stars is now becoming a hip desert community.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

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

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

The fossilized remains of ancient California redwoods.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A master of deception, Harry Houdini's greatest trick may have been living in two places at once.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

Los Angeles's oldest cemetery allows visitors to trace the history of this proud city.

Commonly referred to as the most photographed Victorian home in the United States.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

A storybook European village in Berkeley.

The largest drain hole in the world.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

One of the last free public hot springs is decorated with hippie art.

The unbelievably opulent home built for an infamous newspaperman.

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