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

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

Coca Cola may be "the real thing" but its inventor, buried at this Georgia gravesite, called it a "valuable brain tonic."

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.

Home of an evil witch famous within southern folklore.

More than five miles of underground passageways.

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

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

A whimsical folk art garden full of punny pieces and a diorama containing 3,500 toys.

The small cave that housed Tennessee's "first citizen."

It may take some time to locate, but it's sure to warm even a heart of stone.

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

This mansion turned restaurant was once a pitstop for Al Capone during his travels.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

The pan man stands as a testament to the functionality of American cast iron cookware.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

Life-size figures portray depot attendants, train crew, and passengers frozen in time at the oldest railroad station in Arkansas.

Peak named for an old man who liked to run in the nude.

Dinosaurs invade a suburban Nashville neighborhood.