The beauty and the beast of hydraulic mining is on full display at this California Historic State Park.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

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

A working miniature city designed to teach kids about safety and presumably city planning.

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

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

At this 1940s-era neighborhood favorite, you can still drink a cherry phosphate.

The capitol city's oldest existing cemetery.

This 15-story mural celebrates the 50th anniversary of the musician's iconic "At Folsom Prison" album.

A tiny survivor of the Donner Party disaster.

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 mesmerizing disco ball-like sculpture along the Sacramento River Walk.

The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.