A geological mystery on Camelback Mountain.

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

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

A sharp bend in a dramatic river canyon cut through red rocks.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

This rustic old building is said to be the most photographed barn in America.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The first declared National Monument in the United States.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

This arch was featured prominently in the film.

A late-19th century diversion canal built by hand crosses Bryce Canyon National Park and is still in use.

This balancing rock is one of Utah's most unusual geological formations.

Walk through the sets of old western films at this small museum in Utah.

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

This roadside stop between Goblin Valley and the Henry Mountains is the perfect location to view some of the region's natural wonders.

The unusual patterns in this rock formation result from two distinct modes of weathering.

The location where the iconic movie character declared it was time to go home.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

This quiet park's strange sedimentary spires were named after Kodak's color film.

Despite its name, this route in southern Utah offers a heavenly day trip.