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

The first KFC is on the National Register of Historic Places.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

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

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

An abandoned town is hidden in Great Smoky Mountains National Park.

An ode to "The Queen of Appalachia."

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

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

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 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.

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

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.

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

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

A sculpture of a salmon swimming through a brick building.

This public art piece proves that in Portland even reporting the weather is a thing of whimsy.

The magic's in the hole!

Portlandia is the second-largest copper repoussé statue in the United States.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

Is this the most Portland place ever?