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

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

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

A beautiful geyser under environmental threat.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

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

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

The fifth-longest natural arch in the world, and the longest outside China.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

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

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

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

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

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

A tunnel with windows, so you don't miss out on the impressive views.

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

Rippling sand dunes frozen in the Arizona rock.