A sculptor's dream castle turned fantastical ruin.

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

This research center for rare prosimians is studying how they sleep to help prolong human life.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

148 feet long and in the middle of a verdant forest.

A miniature city built by a single hunchbacked monk.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Oldest and rarest examples of telecommunication in the world.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.

A massive tribute to this small county's top agricultural product.

HFH's slum simulation is either a noble recreation of poverty or a cringeworthy attempt at same.

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

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

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

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.

Mysterious library of an infamous financier and spiritual seeker.

A former taxidermist has turned his old shop into a folk art mecca.

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

Coca Cola may be "the real thing" but its inventor, buried at this Georgia gravesite, called it a "valuable brain tonic."

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