This vast kitty-themed collection illustrates the history of human-cat interaction.

An annual celebration of the region's successful elk reintroduction program.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.

Hidden amid a collection of trails is the site of a tragic crash.

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

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

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

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.

Abandoned for 60 years, this submerged bridge was completely forgotten until the lake was drained.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

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

Some North Carolina Cherokee have been keeping their history alive for decades with a single play.

Cherokee alphabet, proof of ancient North American Jews, or just a hoax?

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

Step back in time on this preserved 1800s farm.

The scant remains of this flooded historic village can be explored in one of the most remote areas of the Great Smokies.

Mile-long cave system near Great Smoky Mountains.

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

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

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