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

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

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

The capitol city's oldest existing cemetery.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

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

Art Deco stylings conceal the true nature of this bridge.

Where the first "expert riders, willing to risk death daily" for the Pony Express were recruited.

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

A replica of the first public theater built in California.

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.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

The unbelievably opulent home built for an infamous newspaperman.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Golden Gate Park's historic collection of plants.

This massive redwood tree has a hole in the base big enough to drive through.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

An essential stop before plundering, BYO Cutlass.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.