These otherworldly limestone formations jut out from the Kansas prairie.

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

This Wild West attraction is probably more fiction than history, but that doesn't mean it's not awesome.

Stories of sightless fish and ghostly cowboys are only a fraction of the legends surrounding this Kansas sinkhole.

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

A wonderful collection of all things Oz is nestled in the heart of Kansas.

A Winnebago Tribe collection featuring arrowheads, artwork, and a mysterious rock carving.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

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

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

America's smallest town is run by its single citizen/mayor/librarian/bartender.

This landmark is a central figure in the Nez Perce origin story.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

Largest collection of mounted dinosaur specimens in the world.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

Dig for your own trilobites in this goldmine of invertebrates.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Many generations of travelers have passed through the steep, smooth walls of this canyon.

This dry lake bed contains the oldest known petroglyphs in North America.

This central Nevada cave is the spiritual home of ancient and enigmatic pictographs.

Only intact Ichthyosaur skeleton in the United States.