The same security that protects our nukes accidentally protected a gentle herd of antelope.

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

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

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

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

Miraculous tree that seems to sprout out of solid rock.

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

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

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

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.

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

One of the smallest towns in the United States.

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

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.