When ecosystems collide in the arid Southwest.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

The highest bridge in America was built for an almost unnervingly small amount of money.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

Over 600 acres of idyllic open grassland honor Nebraska’s georgic storyteller.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

This marker identifies the location where three states converge.

At Oklahoma Panhandle State University, a plaque marks a place once known as No Man's Land in the linear world and the fictional Kcymaerxthaere as well.

On a college campus in the Oklahoma panhandle a museum honors the last piece of the contiguous United States to be classified as No Man's Land.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

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

The United States's largest hand-dug well is topped with a state-of-the-art museum.

A diverse, expansive nature preserve in northeastern Kansas.

The 55-pound trichobezoar was removed from the stomach of a cow.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

Home to fossils and other specimens from the Western Interior Seaway.

Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.