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

An unfinished rail tunnel that has since been used to house cheese and bats.

These eerie outliers of the lightning bug family glow a mysterious blue color.

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

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

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

Enormous lake at the bottom of a unique cave system.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

The secret city built by the Manhattan Project.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Beneath the surface, something slithers. And if you find it, prepare to be slimed and glowing.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

An underground magnet for ever-changing street art.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Scattered around Atlanta are little doors with big charm.

Rotting dome home spotted near Chapel Hill, North Carolina.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

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

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

The antique barns in Cameron are not painted with your grandfather's Mail Pouch Tobacco murals.

One of the oldest living oak trees in the Southeast.

This nine-story building can be played like an instrument.

A psychological self-portrait in the form of a giant, segmented head.