A popular tourist cave with a dark past.

The former Naval shipyard is open for exploring - mostly.

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

A picturesque example of brute-force engineering conquering nature.

Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

The modest home of the very immodest dancer who cost a king his crown.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

Once the largest town in eastern Yuba County now sits abandoned.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.