The state bird of New Mexico, constructed entirely out of garbage.

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

This is one really big nut.

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

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

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

A museum chronicling pioneer life constructed over Interstate 80.

For one month, the fields and skies of Gibbon, Nebraska, come alive with one of the largest gatherings of sandhill cranes in North America.

This Great Plains museum pays tribute to both the prosperity and tragedy of the North American fur trade.

A rancher expanding a natural spring for his cattle came up with bones – lots and lots of them.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

Site of the 1879 Cheyenne Outbreak and the site where famed Sioux chief Crazy Horse met his fate.

The home for all things Kool-Aid offers everything except a chance to actually enjoy the drink.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

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

An experimental, automotive replica of Stonehenge.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

A Maryland museum dedicated to Black history, housed in a historic church.

A small 19th-century graveyard tucked away in the middle of a suburban neighborhood.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

Cannon designed to fire an atomic warhead.

See the home and the range on which "Home on the Range" was arranged.

A monument celebrating the Black soldiers of the 9th and 10th Cavalry.

A museum where visitors can learn about greyhounds and (more importantly) pet them.