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

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

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

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.

A 60-foot-tall tower provides unparalleled views of the southern Green Mountains.

A cable-suspension footbridge that hangs high above the Mill River.

An ancient glacial pothole waterfall in the heart of the Green Mountains.

One car at a time please.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

A small chapel celebrating the spiritual bond between dogs and humans.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Operational for less than a year, this mill produced more than 11,000 tons of chrome concentrate in its short lifespan.

One home in the historic strip hides secret compartments and the ghostly songs of long-gone canaries.

The formidable fowl can be found standing near an isolated hiking path.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

A sprawling museum located on the former site of the Orphan Girl Mine.

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

A classic mystery spot complete with spots that are said to make you shrink or grow when you stand on them.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

"Polynesia on the Plains."

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.