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

This granite monument at the site of an ill-conceived tourist attraction is built from the same stone as the Mormon Temple.

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

The only completed wing of Utah's first capitol is filled with artifacts and odd stories about its past.

Take a monster truck tour around an ostrich farm in the middle of the desert.

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

The cinder cone volcano with a less than complimentary name.

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

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

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

A geological mystery on Camelback Mountain.

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

This lovely burial mound is actually a replica that was installed after archeologists excavated the original.

A perfect circle of 24 mysterious holes dates back to prehistoric times.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Quite simply the largest tree in the world (by volume).

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

Home to the deepest rift anywhere on Earth.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The first declared National Monument in the United States.

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