Moonbows over Kentucky.

This improbable contraption was passed down through five generations of industrious Tennesseans.

John Hendrix predicted the creation of the "Secret City" built as part of the Manhattan Project.

The secret city built by the Manhattan Project.

One of the Cemestos prefab homes built to secretly house thousands of Manhattan Project workers.

This hotel was used during the Manhattan Project to house official visitors.

This Tennessee manse was built so opulent that the very utilities doomed it to fail.

The physical legacy of one man’s lifetime mission, following a near-fatal mine accident, to publicly proselytize for Christianity.

This video store is a horror buff's dream.

Marvel at 400-year-old trees in one of the last remaining old-growth Appalachian forests.

A historic dam made famous for its turbines and feature in a Hollywood classic.

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

A group of monuments to the Cherokee origins of Tennessee.

This museum pays tribute to the Cherokee leader who created a written language for his people.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

One street divides a single town that stands in two U.S. states.

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

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

The statue mysteriously lost its head and left hand.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

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

Stroll around the headstones of notable figures from Knoxville's history, as well as towering monoliths and melancholic headstones.

The world's longest known cave system.

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