Part of a secret 1970s nuclear defense program is now open to the public.

The remnants of an early American attempt at missile defense.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

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

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.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

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

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

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

Just a man taking his prehistoric pet for a stroll.

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

This sky-high radio mast is formerly the tallest man-made structure in the world.

"...I guess that was your accomplice in the wood chipper?"

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

America's largest viking stands in a Minnesota city that believes it was visited by the ancient nords.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

This micro-nation may be some sort of prank, but its constitution sure seems official.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Canada's largest dinosaur skeleton was hidden away in storage for more than 40 years.

The world's last remaining store of its kind.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.