A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

This public baseball field is a beloved remainder from of one of the most historic stadiums in the country.

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.

A cemetery housing wild west legends in South Dakota.

The first declared National Monument in the United States.

This towering wooden Sasquatch was carved with a chainsaw.

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

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.

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

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

One of the few beardless depictions of Lincoln, George Grey Barnard's 1917 statue was denounced by many—including Lincoln's own son.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A real flying saucer, contracted by the U.S. Air Force.

The childhood home of the Wright Brothers in Dayton.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

The former broadcast site has been reimagined as a museum about the medium.

A 25,000-square-foot display with dozens of model trains in intricate miniature worlds.

This magnificent Cincinnati graveyard is also a popular public park.

Where beautiful signs live on forever.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.