This comprehensive collection features Native American artifacts dating back centuries.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The state's only comprehensive museum dedicated to the mineral that defined its history and economy.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

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

Abandoned in 2009, this once popular resort destination now stands frozen in time.