One of the world’s largest collections of paper memorabilia chronicles 4,000 years of papermaking.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

The world's largest fully steerable radio telescope.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

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

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

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

You can climb to the summit of Black Mountain, as long as you sign the waiver.

Home of a 28-foot tall stalagmite known as the War Club.

A historic coal mine that doubles as a museum and tourist attraction.

A cult archaeology conspiracy theory claims these West Virginia petroglyphs were written by Irish monks in Ogham.

This woodland architectural installation acts as a camera obscura for the heavens.

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

America's post-nuclear-attack chambers of Congress.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

This bridge is haunted by the ghost of a distraught mother.

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

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

This abandoned amusement park was built on a site with a dark history.

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

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.