This 19th century train workshop is a treasure trove of railroad history.

I Street Bridge is the heaviest swinging center bridge in the United States.

A replica of the first public theater built in California.

The California capital city once stood 10 feet lower than it does today.

Art Deco stylings conceal the true nature of this bridge.

A tiny survivor of the Donner Party disaster.

A fascinating and comprehensive look at the evolution of medical practice in the Sacramento Valley since the mid-1800s.

The last of a gourmet supermarket chain, this store helped spark California's Food Revolution.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

This former boomtown "island" is now submerged below Folsom Lake.

A dentist's hated concrete colossi are now beloved icons of the community.

His discovery kicked off the Gold Rush. One of the hands on this commemorative statue points to the spot where he found the precious metal.

This odd California folly seems like it was almost designed to accumulate urban legends.

The Internet Age began with a transmission from this biker bar.

This 19th century hydroelectric powerhouse was the first of its kind.

The tallest bridge in California was constructed for a project that was eventually cancelled.

Eclectic collection of dark and macabre antiques.

Over 300 taxidermied animals in a Californian restaurant make for a taxidermist's dream and an animal lover's nightmare.

Special tunnels built so that frogs won't be killed when crossing the highway.

Outsider art or homage to aliens?

On the summer solstice each year, shadows align with a 14,000 square foot painting to reveal a secret message.

A huge collection of rocks, gems, and crystals.

The huge granite obelisk that towers over a small California town.

The only standing town in the United States that early Chinese Americans built for themselves.