Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

One of the largest, oldest, darkest, quietest motel rooms in the world.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

This small museum is dedicated to the study of coprolites, or fossilized poop.

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

Ancient pueblos built into the base of a natural canyon wall.

See massive fossils that are over 200 million years old in northeastern Arizona.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

This historic national park is covered in the stunning ruins of red rock pueblos.

A mysterious spirit totem at the edge of Navajo lands.

This Native American settlement dates back to the Pueblo II period.

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

A house carved into a rock in the 1940s.

Oddly shaped rock formation, misassociated with a nearby utopian community.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

The graffiti-covered ruins of an abandoned trading post in the middle of the Navajo Nation.

This unique art installation used boiler tubes from a decommissioned power plant to resemble Antelope Canyon.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

The notorious Wild West outlaw was raised in this unassuming abode.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.