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

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

The art studio of an early 20th-century painter, hidden amid the 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.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

Enormous lake at the bottom of a unique cave system.

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.

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

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

This mysterious twin turboprop Grumman G-159 covered in graffiti has spent a decade and a half abandoned.

A local dive where religious kitsch, Southern identity, and queer culture collide.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.