Early prototype for Frank Lloyd Wright's Guggenheim.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

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

Hidden in the back of a disused small town hotel is a dive bar shellacked with over a million pennies.

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

A cobblestone alley with an interesting past.

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

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

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

Russian history in San Francisco.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

Dive bar built out of the remains of a whaling ship.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

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

The miraculous hydrant that saved the Mission District in 1906.

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

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

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

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

The haunting ruins of Jack London's dream house.

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

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.