The oldest U.S. Government building in California, and it's State Historic Landmark #1.

This eagle-topped spire remembers the military commander who snatched up California for the United States.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

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

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

An antique store houses the last operational diner from the defunct department store chain.

Marta Becket's hand-painted theater in the desert.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

This conservation area is also home to many of the region's desert tortoises.

Exquisite irises bloom every spring in this hillside garden.

A psychedelic labyrinth on the San Francisco bay.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

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.

This tucked-away cemetery is the final resting place of a prospector who uncovered one of the largest gold mines in Arizona.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

More than a century old, this trading post resides in the Navajo Nation.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

A colorful, century-old cemetery of the Yaqui Indian Tribe hidden amid the suburban sprawl of Tempe, Arizona.

This bomb shelter-themed bar has barely changed since it opened.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

A tribute to the statues of Easter Island along Route 66.

Petroglyphs, bird watching, and a 100-year-old Ranch in one location.

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