The first declared National Monument in the United States.

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

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

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Home to items never before seen by the public.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of Paul Revere's historic two lantern warning.

This replica of the Greek structure is in the heart of Nashville.

An obscure waterfall that looks like something out of a fantasy novel.

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

Live long and prosper in Tennessee.

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

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

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

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

The museum chronicling a treasure hunter's dream, fulfilled.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

One of many gator theme parks, abandoned in the sugar fields of South Florida.

Ruins of a Carnegie family mansion on Cumberland Island.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

A haunted hill that supposedly defied gravity.