The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This museum dedicated to an oft-overlooked support industry features a surprisingly moving brass diorama of a man being saved from a sinking car.

This historic train station has been converted to a locomotive themed hotel.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Follow the steps, and this roadside artwork will teach you how to dance.

Live long and prosper in Tennessee.

A miniature city built by a single hunchbacked monk.

The site of the Scopes Trial contains a small exhibit dedicated to the famous case.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

These early tent-shaped grave coverings are unique to Appalachia.

Visit this playground of waterfalls, caves and sinkholes.

This structure among the trees was the result of divine inspiration.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

The longest-serving U.S. Secretary of State and Nobel Peace Prize winner was born in this humble cabin.

Origin of the blue-skinned Fugates of eastern Kentucky.

An enormous goose sits atop this nest-shaped home.

Moonbows over Kentucky.

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

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

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.

The secret city built by the Manhattan Project.