This geodesic gallery holds a collection of painted spheres that make traditional canvases look lazy by comparison.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

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

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

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

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

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

A cemetery housing wild west legends in South Dakota.

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

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.

A fitting attraction for the corn capital of the world.

Chef Lawrence West serves up Indian tacos, wojapi, and other Lakota dishes at the brick-and-mortar incarnation of his popular food truck.

This Wild West attraction is alive with glitching automatons.

The first declared National Monument in the United States.

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

Eight feet in diameter and more than 24 feet around.

An eclectic assortment of medieval architecture in a small Iowa town.

Known as "The Hill of the Little Devils."

Hidden in the grounds of the Fort Dodge Museum is a "real" and terrifying petrified giant.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

Grant Wood painted some of his most famous works of art at this studio.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.