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."

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

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

Every president in history is immortalized in bronze in downtown Rapid City.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

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

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

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

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

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

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

This Wild West attraction is alive with glitching automatons.

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

Known as "The Hill of the Little Devils."

Once one of the largest producers of pig iron in the world.

This 1,500-acre development hopes to be the Central Park of the South.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

World's first "penitentiary," meant to be humane, drove men insane.

The first American department store, and home to the largest operating musical instrument in the world.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.