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

Visit this playground of waterfalls, caves and sinkholes.

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

Live long and prosper in Tennessee.

Enormous lake at the bottom of a unique cave system.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

More than five miles of underground passageways.

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

Follow the steps, and this roadside artwork will teach you how to dance.

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

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

One person's lost luggage is another person's treasure.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.