The remains of the first public diamond mine in Arkansas.

This one-room schoolhouse in rural Arkansas dates to the 1920s, but looks like it could be the 1820s.

On the side of Arkansas' Great River Road stand the remains of a forgotten World War II POW Camp.

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

The Man In Black grew up in a large agrarian community established by the federal government in the Great Depression.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

This century-old roadside attraction is full of bizarre rock formations.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

The Ozarks' strangest dwelling.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

This unusually circular centenarian barn became a Route 66 icon.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

One of New York's most iconic authors is strangely honored by this Oklahoma park.

A large stone map of Arkansas awaits visitors to its highest point.

This former mining town was named the most toxic town in America.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

A peaceful place in the woods where everything is a work in progress.

One of the most remote spots in America and the first protected wilderness area in Nevada, named after an old legend.

Singing sand that stands as the final remains of an ancient lake.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.