An ode to "The Queen of Appalachia."

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

Over 200 people were buried here with only a small stone to mark their final resting place.

All that's left of the quintessential "cabin in the woods."

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

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

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

This former maximum-security prison is creepy, sobering, and supposedly haunted.

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.

The secret city built by the Manhattan Project.

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

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

A roadside music shop featuring a confounding series of folk art installations.

Once a gas station, this flightless airplane beside the Old Dixie Highway now houses a barbershop.

This video store is a horror buff's dream.

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

Before TV meteorologists, there were weather kiosks. This may be the last one in the United States.

The world's largest version of this iconic puzzle cube is located in Knoxville, Tennessee.

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

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

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

Mile-long cave system near Great Smoky Mountains.