Population: 1.

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

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

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

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

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

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

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

One of the smallest towns in the United States.

A miraculous natural phenomenon known as "the spring that breathes."

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

Native Americans built this circle of stones, which was used to predict astronomical events.

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

One man's ambition created this psychedelic log home.

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.

The first declared National Monument in the United States.

Home to a timed geyser created by complete accident.

After this former brothel closed, its interior remained almost frozen in time.

It was once used as a classroom to teach mining skills to local high school students.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

This landmark is a central figure in the Nez Perce origin story.