One of America's largest retail chains got its start in one of its most remote rural destinations.

This geothermal hot spring hides beneath a slowly growing mineral dome.

Only known mainland rookery of the threatened Stellar sea lion.

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

A beautiful geyser under environmental threat.

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

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

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

Miraculous tree that seems to sprout out of solid rock.

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.

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.

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

An architect's childhood fantasy treehouse made real.

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.

The first declared National Monument in the United States.

This museum glorifies the humble potato.

See just what life was like in a 19th-century prospecting town.

Don't get it twisted: This is the oldest pretzel bakery in the United States.