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

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

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

This lovely burial mound is actually a replica that was installed after archeologists excavated the original.

Georgia's highest point was given its strange name thanks to a simple translation error.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

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

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

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

More than five miles of underground passageways.

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

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

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

Live long and prosper in Tennessee.

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

These eerie outliers of the lightning bug family glow a mysterious blue color.

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.

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

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

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

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

Step back in time on this preserved 1800s farm.

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

Mile-long cave system near Great Smoky Mountains.