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

A Wild West jailhouse that slid down the mountainside.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Arizona's first government hub is a rustic cabin now preserved as part of a historical museum.

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

An urban laboratory.

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

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

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

A self-built castle made by a mysterious man.

This abandoned horse racing track was an exercise in hubris from its inception.

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.

A former department store turned into a quirky restaurant.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

This unique competition celebrates an American Indian and Canadian First Nation cultural tradition.

The first permanent memorial to a unique secret weapon of World War II.

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

Once a year, at exactly 11:11 a.m., this monument comes to life.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.