More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

The state's only comprehensive museum dedicated to the mineral that defined its history and economy.

A cabinet of curious mathematical models and old calculators.

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

A Tucson museum and performance space full of found-object movable sculptures.

This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

A diverse, expansive nature preserve in northeastern Kansas.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

A fascinating collection of art made from petrified wood and fossils by two octogenarian twin brothers.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

The same security that protects our nukes accidentally protected a gentle herd of antelope.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

This Wyoming town is fascinated by a particular mythical creature.

A miraculous natural phenomenon known as "the spring that breathes."

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

Native Americans built this circle of stones, which was used to predict astronomical events.

The first declared National Monument in the United States.

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

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

A mysterious "wedding cake" castle in the middle of the urban desert.

A mysterious spirit totem at the edge of Navajo lands.