The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

This building contains handprints that are well over a century old.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

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

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

Rare recess caves fill this unbelievably beautiful Ohio park.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.