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

Rippling sand dunes frozen in the Arizona rock.

Most-visited and most-photographed slot canyon in the American Southwest.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Colorado's only true geyser is hidden within the San Juan National Forest.

A recreation of an Old West apothecary full of curios.

When ecosystems collide in the arid Southwest.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

The largest self-built castle in the U.S., six decades in the making.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

A little-known hot spring haven right below the highway.

Dance on a hand-hewn log floor padded with bouncy boxcar springs at a saloon built in 1883.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

The highest bridge in America was built for an almost unnervingly small amount of money.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

There are eight natural springs around town, each with a slightly different taste.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.