These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A ring of creosote bushes that are estimated to be 11,700 years old.

An alternate history park where the Union Army loses the war... to dinosaurs.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

One street divides a single town that stands in two U.S. states.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

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

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

An abandoned town is hidden in Great Smoky Mountains National Park.

Mile-long cave system near Great Smoky Mountains.

Enormous lake at the bottom of a unique cave system.

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 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.

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

A unique book shop with a collection of rare tomes and a nostalgia museum.

Every last book in this bookstore is signed by the author.

A collection of huge Pre-Colombian structures in Alabama.

This historic general store still operates much as it did in the late 1800s.

If Hello Kitty were Mickey Mouse, this would be Disneyland.

The quintessential Japanese rock garden has existed for more than 500 years.