The only retired U.S. nuclear missile silo that is open to the public.

This town is home to the world’s largest arch constructed entirely of elk antlers.

At the time of its completion, it was the tallest dam in the world.

Population: 1.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

Miraculous tree that seems to sprout out of solid rock.

A popular rock that acted as a waymarker for American pioneers.

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

A monument to the egos of two railroad magnates that fell into decline along with their careers.

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

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

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.

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

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

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

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

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

An architect's childhood fantasy treehouse made real.

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.

One of the last socialist halls still standing in the United States.