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

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

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

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

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

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

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.

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

The secret city built by the Manhattan Project.

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

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

North Carolina's finest examples of Native American pictographs have survived for 5,000 years.

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

This quirky curiosity shop takes its cues from the world's bazaars.

"X" marks the spot of an echo chamber in the middle of a plaza.

Free public park and gardens filled with peacocks and peahens.

A grove of colossal man-made flowers built to collect the sun's rays.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A collection of 100 brains preserved in jars on the UT campus.

Continuing the tradition of the dime museum in style.

DIY collection of eclectic holdings.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.