A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

An obscure waterfall that looks like something out of a fantasy novel.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

The only road through the heart of Glacier National Park.

A metal menagerie fills the yard of this museum and gallery, the work of Montana artist Bill Ohrmann.

This rustic old building is said to be the most photographed barn in America.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

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

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

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

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

One of the first intercontinental ballistic missile sites in the United States.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

A ghost town now swarming with dozens of prairie dogs.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

A fitting attraction for the corn capital of the world.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

A cemetery housing wild west legends in South Dakota.

The first declared National Monument in the United States.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Just a man taking his prehistoric pet for a stroll.