Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

This unique landscape is the only place in the world to dig for hourglass-selenite crystals.

The natural history of Utah is on full display inside this museum.

This hidden gem in Arizona is truly worth the rugged journey.

Home to fossils and other specimens from the Western Interior Seaway.

A Jurassic artscape composed of transmission casings and other mechanical parts.

Home to Hollywood history and a very special salt crystal.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

This small museum is home to some of the oldest and best-preserved dinosaur specimens found in Montana.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

This was the first homestead registered after President Abraham Lincoln signed the Homestead Act into law.

A Winnebago Tribe collection featuring arrowheads, artwork, and a mysterious rock carving.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

This New Orleans boutique and nursery specializes in rare flora, with a focus on carnivorous plants.

A small self-proclaimed micro-state located on a piece of disputed territory between Croatia and Serbia, near Liberland.

Water flowed out of the town's unusual tree stump fountain in the 1930s, and the well still runs today.

A quirky old tree covered in tokens, cans, and bottles of wishes.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

A proto micro-nation sometimes populated by artists, surrounded on all sides by a Utah most barren.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Sandstone rock formations that look like they belong on the cover of a progressive rock album.