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

Evanston's historic railroad complex saved this rail town from reaching the "end of the line."

This remote river crossing was a popular campground on American westward expansion trails, and a former Pony Express station.

Named for a prominent scout and explorer, this Wyoming state park encompasses a replica of an 1840s trading post, a 19th-century Army outpost, and early 20th-century automobile lodgings.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

This sandstone building is a relic of the Overland Trail.

This canyon is named for a unique geologic formation where the river vanishes underground near the mouth of the canyon and reappears farther down.

Features unique photographic collections by women of the American West and historical attractions such as a two-story outhouse.

It is the only marker for one of the most famous hate crimes in American history. There are no other memorials for him in the entire state.

An unusual geological feature towers over the remains of a dark episode in United States history.

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

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

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

The easiest way to the highest point in Wyoming is only accessible via one hefty fee.

No Gordon Lightfoot song, only a barebones monument to greed.

A small town built on an abandoned airfield has former runways as streets and a bar and grill in an old airplane hangar.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

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

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

Population: 1.

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

A devilishly named gorge that was a sign of salvation for many pioneers.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

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