Rippling sand dunes frozen in the Arizona rock.

Most-visited and most-photographed slot canyon in the American Southwest.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

The pharmacy's retro ice cream mixer is one of the last of its kind.

Examine the impact of the horse on Great Plains culture through exhibits on ranching, rodeo, and the Native American way of life.

In an alley behind a Fargo bar, you can roleplay as Mario while interacting with a popular street mural.

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

This simple badlands butte is the highest point in North Dakota and may be the only high point to charge admission.

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

The oldest still-existing mosque in the United States sits in a remote prairie in North Dakota.

On the windswept Dakota plains there is a memorial to circus workers who were struck down by lightning.

One North Dakota man's vast collection of rare rocks, polished orbs, and geological wonders.

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

Three legendary, living albino buffalo roaming their pastures for all to see.

One man's quest to save his town with a trail of record-breaking sculptures.

These springs were once the source of a tourism boom to Sulphur Springs.

The highest waterfall between the Rockies and the Appalachian Mountains.

Two gushing waterfalls of hot spring water within a block of each other.

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.

This mountaintop refuge rehabilitates tigers, lions, bears, and more from illicit wildlife trade—and offers overnight lodging.

The seventh largest spring in the world.

These waterfalls can be twins or triplets, depending on how much it's rained recently.

Home to a seasonal waterfall and swimming hole in the Ouachita Mountains.

The scant remains of an expansive indigenous civilization can be seen at this Arkansas state park.