Millions of years of erosion created the feature for which this rock formation is aptly named.

A museum and tribute to a brave profession.

The unusual burial monument of Arizona's first governor.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

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

These free-roaming horses were once destined to disappear from the land.

This former coal gasification plant found a curious second life as a popular public park.

Guns that have been defending San Francisco since 1904.

A statue commemorating the heroic life of a Viking postman who was the Godfather of California skiing.

One woman's Viking Castle on Lake Tahoe.

The Gaslamp District's oldest bar sports a urinal marked with a golden plaque that was allegedly used by Mick Jagger.

A massive volcanic plug is now a protected area that hosts a number of bird species.

A fake town founded by Western movie stars is now becoming a hip desert community.

A music-filled, booze-soaked oasis in the desert.

An alley covered with 20 years of bubble gum.

One of the last surviving buildings of a once large and thriving Chinatown.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

Concrete strongholds stand guard over the Golden Gate.

Ride on a fully-restored Nike nuclear-tipped missile elevator from the Cold War.

Internationally-recognized arts center housed in a century-old former military barracks.