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

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

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

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

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.

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

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

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

The first declared National Monument in the United States.

A mysterious Neolithic tomb is perched along the edge of a modern golf course.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

Inside this art and oddity-filled shop, a small room filled with secrets.

This old abandoned sign flickers to announce a motel that isn't even there.

Ghost town with a beer-drinking goat for mayor.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

The rubbery beast is sculpted from recycled materials.

Professional and amateur dioramas, taxidermy, and oddities all located in an attic above a gallery.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

An abandoned Victorian house transformed into a museum and store filled with taxidermy and vintage goods.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.