Two gushing waterfalls of hot spring water within a block of each other.

The highest waterfall between the Rockies and the Appalachian Mountains.

The largest spring in Northwest Arkansas is also home to a sprawling botanical gardens and a historically significant bluff.

There are no bodies inside these stone coffins. And there never were.

This mountaintop refuge rehabilitates tigers, lions, bears, and more from illicit wildlife trade—and offers overnight lodging.

These waterfalls can be twins or triplets, depending on how much it's rained recently.

The seventh largest spring in the world.

Home to a seasonal waterfall and swimming hole in the Ouachita Mountains.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

A wild trout fishery in Arkansas.

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

Everything in this miniature world was handmade from matches, paperclips, wires, tin cans, and other everyday objects.

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

This historic bridge has weathered fires and floods and still stands, now abandoned, where it has stood since 1874.

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

The legend of a local monster still haunts this small town.

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

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

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

The Ozarks' strangest dwelling.

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

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

The only diamond mine in the world where you can keep what you find.

This famous bridge twisted itself into oblivion, but not for the reason you might think.