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

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

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

This towering wooden Sasquatch was carved with a chainsaw.

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

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

Despite monuments in other locations, this spot in a South Dakota field is recognized by the U.S. National Geodetic Survey as the center of the 50 states.

A cemetery housing wild west legends in South Dakota.

Seth Bullock, the sheriff of Deadwood, built this town immediately after Teddy Roosevelt’s death in 1919.

The rockpile was the founding landmark for the town of Gillette, and is now the home of the region's history.

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

This vintage train once gave new meaning to “swimming upstream.”

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

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

The first declared National Monument in the United States.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

A local scoured more than 1,000 acres for stone to create his masterpiece.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

This tombstone marks the final resting place of the beloved 1990's character, Ernest P. Worrell.

Unique tower has outlasted a takeover of the company.

A singular collection of hand-built art deco cars are held in a building with style to match.

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.