At 11,500 feet in elevation, there is no toilet in the state closer to the sky than this one.

An artificial crater field that trained astronauts for lunar exploration.

A maze-like landscape of globular rocks surrounding two Arizona lakes.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

During World War II this was the site of an "honor camp" used as a prison for draft dodgers, Native American conscientious objectors, and Japanese-Americans—including a man who brought his case against the camp to the Supreme Court.

The final resting place for an internet icon.

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.

The official portrait of California's longest-serving governor has been likened to "spilled ketchup and soy sauce"

Art Deco stylings conceal the true nature of this bridge.

A replica of the first public theater built in California.

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.

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

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

Giant quails play and greet visitors at a suburban park.

This collection of vintage signs reflects the long and colorful history of this Arizona town.

An ambitious developer built what was once the world's tallest fountain in a Phoenix suburb.

A Berkeley sidewalk etched with 128 cast-iron poems.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

A 26-foot-tall jackrabbit celebrates the past and future of the Southwest.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.