Live long and prosper in Tennessee.

A mural in rural Georgia welcomes visitors to a fictional Missouri town.

More than five miles of underground passageways.

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

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

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

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

This museum dedicated to an oft-overlooked support industry features a surprisingly moving brass diorama of a man being saved from a sinking car.

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

Could this grave be the true resting place of legendary gunfighter "Doc" Holliday? Unclear.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

A white oak with property rights.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

Giant instrument-shaped home in Fayetteville, Georgia.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

A vision of beautiful Hindu architecture in the middle of the American South.

Where school buses go to die and be reborn as whimsical works of art.

The beauty of urban decay, hiding some dark secrets.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

Healing Springs that once ran red with soldiers' blood.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

The first singer to cut a country music record is buried in a small graveyard in Atlanta, Georgia.

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.