A bizarre roadside attraction and the first instance of miniature golf in the world.

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

Live long and prosper in Tennessee.

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

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

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

Moonbows over Kentucky.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

Enormous lake at the bottom of a unique cave system.

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

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

The secret city built by the Manhattan Project.

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

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

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

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