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

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

Art Deco stylings conceal the true nature of this bridge.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

California's largest steel arch bridge.

Colorful Native American paintings are hidden within this small cavern.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

Get up close to emus and ostriches, or buy their tasty meat.

California's longest-running tourist attraction is a stump.

The longest covered bridge west of the Mississippi River.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

Rising out of miles of farmland, these buttes are sometimes called the world's smallest mountain range.

The flow from this waterfall sometimes comes out of springs below its rim.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

The oldest orange tree in California spawned a generation of citrus farmers.

A train tunnel that was made obsolete by the dam it helped create.

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

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

An expansive and intricately restored mansion remains from over a century ago--and so do its ghosts.