The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

America's silhouette includes 100 square miles of wilderness jutting into Canada thanks to an old mapmaking error.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This sky-high radio mast is formerly the tallest man-made structure in the world.

Roaming bison and a spectacular view at the highest point in Nebraska.

An experimental, automotive replica of Stonehenge.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A Texas museum filled with Broncos and Betties.

A modernist landscape of water and sci-fi concrete.

Abandoned silver mine strewn with wrecked and twisted structures.

When ecosystems collide in the arid Southwest.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A clear blue swimming hole with hidden caves, still unexplored.

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