This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

A statue high in a hill that represents how Buffalo Bill got his name.

A diverse, expansive nature preserve in northeastern Kansas.

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

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

Curious rock formations in a tiny Kansas state park.

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

The United States's largest hand-dug well is topped with a state-of-the-art museum.

These elevated trucks were put in place as a middle finger to The Man, but are now considered folk art.

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.

A remote sandstone plateau named for a legendary cattle rustler.

A unique arch graces the Dolores River Canyon near the Hanging Flume.

The decaying ruins of a failed mining company’s water diversion project cling to the side of a desert canyon.

Historic, 19th-century wagon wheel ruts cut into soft volcanic ash.

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

Two creeks flow out of either end of this canyon in opposite directions.

A prehistoric rock shelter that's literally in someone's backyard.

A river runs through this remote valley in a very unexpected way.

This interpretive path lets you get up close and personal with dinosaur bones.

Unlike most arches, this geological oddity formed in a volcanic dike.