148 feet long and in the middle of a verdant forest.

Famous for its bio-luminescent inhabitants, known as "dismalites."

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

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

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

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

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

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

A swamp and garden tour featuring local wildlife and exotic botanical specimens from around the world.

The only place to see live frogs don pigtails and top hats, then eat their scrumptious legs.

The only Florida state park with publicly accessible caves.

A humid oasis combines recreation with exploration in a unique underwater cavern.

A giant 400-acre preserve in North Florida for displaced wolves.

A tribute to the furry local heroes who helped get residents through many tough times.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

The only working large-scale tea plantation in the United States.

A sweet tribute to Georgia's official state vegetable, which even has its own mascot: "Yumion."