This haunting tombstone comes complete with a heartbreaking story of love and loss.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

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.

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

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

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

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

A fitting attraction for the corn capital of the world.

A cemetery housing wild west legends in South Dakota.

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

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.

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.

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

Just a man taking his prehistoric pet for a stroll.

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.

This recently restored timepiece has stood all around Kansas City.

This giant green head remembers one of America's jazz giants.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.