One of the world's largest automobile junkyards is a unique landscape of metal and moss.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Ruins of a Carnegie family mansion on Cumberland Island.

Bad farming practices caused this unnatural natural wonder.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This quirky curiosity shop takes its cues from the world's bazaars.

Memorials are nearly all that remains of this Arkansas prison camp, where thousands of Japanese Americans were forcibly relocated during World War II.

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

The warmest cave in the Ozarks features two seemingly bottomless lakes.

The highest waterfall between the Rockies and the Appalachian Mountains.

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

This mill has survived a tumultuous past to still produce flour and cornmeal.

Learn all about this iconic air rifle without putting an eye out.

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

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.

Ernest Hemingway wrote a good portion of "A Farewell to Arms" while living with the parents of his second wife, Pauline Pfeiffer.

The seventh largest spring in the world.

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

This restaurant serves wood-fired fare served in a natural cave with a live spring.

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

A short boardwalk through a swamp leads to the spot from which the Louisiana Purchase was surveyed.

A restored schoolhouse was once a vital part of the Black mill workers community in Arkansas.