The world's longest known cave system.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

Metal sculpture folk art lining the Kansas Highway.

This Wild West attraction is probably more fiction than history, but that doesn't mean it's not awesome.

Stories of sightless fish and ghostly cowboys are only a fraction of the legends surrounding this Kansas sinkhole.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

Curious rock formations in a tiny Kansas state park.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

Massive still life just off the highway in Kansas.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

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

Home to Hollywood history and a very special salt crystal.

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.

The magazine keeps a perfectly groomed display garden for its photo shoots.

The World's Largest Bull.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

Despite what scientists think, the town still says this is an extraterrestrial rock.

At a site that has witnessed many significant events, according to the fictional Kcymaerxthaere, it is best known as the place of lunar discovery.

Peak named for an old man who liked to run in the nude.

The strange and snarky traditions of the lumber industry's fraternal order began with five men waiting for a train here in Arkansas.