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

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

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

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

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

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

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

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

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

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

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

This sandstone building is a relic of the Overland Trail.

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

Mark Twain once stopped at this rest station during his journey to Nevada.

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