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

A mailbox that saved a nature reserve.

Ruins of an American Civil War iron forge still survive today.

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

This vast kitty-themed collection illustrates the history of human-cat interaction.

Trace the history of writing at this unusual North Carolina destination.

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

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

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

North Carolina's finest examples of Native American pictographs have survived for 5,000 years.

Jule Körner's house full of bizarre architectural details.

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

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

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

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

A piece of outsider public art accompanied by a strange urban legend.

A sculptor's dream castle turned fantastical ruin.

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

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.