Home to items never before seen by the public.

The world's longest known cave system.

Former villa and estate of James Deering developed to preserve native tropical forests.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

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

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

One of the oldest living oak trees in the Southeast.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

A rapidly disappearing authentic bit of the old south.

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

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

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

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

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

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

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

An unfinished rail tunnel that has since been used to house cheese and bats.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.