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

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

This Wild West attraction is alive with glitching automatons.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

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

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

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

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

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

One of America's first dinosaur parks gives a window into Depression-era paleontology.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

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

A cemetery housing wild west legends in South Dakota.

Vikings and Evangelicals have both had a hand in this replica medieval church.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

The tunnel that runs beneath this former inn was once a hiding place for enslaved people seeking freedom.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

Experience the life of an 1800's lumberjack at this interactive museum that is only accessible by railroad.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

The birthplace of a titan of American cinema.

A roadside spring pooling in an old bathtub where anyone can stop and sip.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.