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

Population: 1.

This Wyoming town is fascinated by a particular mythical creature.

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

Dance on a hand-hewn log floor padded with bouncy boxcar springs at a saloon built in 1883.

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

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

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.

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.

Hidden in the grounds of the Fort Dodge Museum is a "real" and terrifying petrified giant.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

This simple home was the beginning of a long journey for the iconic Western film star.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.

The World's Largest Bull.

Home with Gothic windows featured in a famous painting.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

Dig for your own trilobites in this goldmine of invertebrates.

This pristine World War II airfield gives a comprehensive look at atomic development and aviation history.