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

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

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

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

A replica of the first public theater built in California.

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

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

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

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.

The capitol city's oldest existing cemetery.