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

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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

This Wyoming town is fascinated by a particular mythical creature.

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

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

Legends surround this jagged rock formation in the New Mexico desert.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A giant "X" symbolizes the blood spilled from the brutal Juárez drug wars.

Mysterious glowing orbs float through the desert night.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

Not everything is bigger in Texas.

This old abandoned sign flickers to announce a motel that isn't even there.

With print dying, this local paper keeps the lights on by doubling as a stunning cafe and cocktail bar.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.