This black shoreline is made up of exploded lava particles.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

This legendary urban waterfall creates a dazzling display of rainbows.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

An oil baron's wild paradise and the winner of an ill-fated air race.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

More than 700 species live within this murky marvel of a swamp on California's coast.

Home to the "Circus" trees created by Axel Erlandson.

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

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The unbelievably opulent home built for an infamous newspaperman.

This cabin from the 1850s is one of the first structures built by Chinese immigrants in California.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

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

San Diego's most historic and haunted home.

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

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.

World's largest collection of serial killer artwork and other macabre exhibits.

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.