Strange red rock formations that have been attributed to a higher power for hundreds of years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Home to a timed geyser created by complete accident.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

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

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

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

Largest man-made excavation on earth!

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

Boise State's stadium was the first non-green football field in the world.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

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

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

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

Home to the deepest rift anywhere on Earth.

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

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

The largest island on the great salt lake is home to curious creatures and strange stories.