The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

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.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

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

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.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

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

One man's ambition created this psychedelic log home.

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

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.