A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.

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

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A fitting attraction for the corn capital of the world.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

This Wild West attraction is alive with glitching automatons.

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

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

The lowest point in South Dakota and the source of the Minnesota River.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

An impressive collection of farm equipment and other artifacts from life on the prairie.

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

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

This century-old barn is home to a homey, eclectic film festival.

Elaborate drama imparts an appreciation for 19th century hardships.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

A hidden oasis in the heart of Minneapolis is also an Important Bird Area.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

Thousands of majestic trumpeter swans fill this park, sounding distinctly like a certain brass instrument.

Known as "The Hill of the Little Devils."

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

This old residential building was once the largest flour mill in the world.