This improbable contraption was passed down through five generations of industrious Tennesseans.

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.

This limestone outcropping was once a ceremonial site for ancient Native Americans.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

A wedding chapel, vintage clothing shop, and bar all under one roof.

Traditional Appalachian dances such as the Georgia Rang Tang and the Shoo-Fly Swing are kept alive at this weekly event.

An idyllic mineral hot springs facility with a more-than checkered past.

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

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

The scant remains of this flooded historic village can be explored in one of the most remote areas of the Great Smokies.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

You can climb to the summit of Black Mountain, as long as you sign the waiver.

Origin of the blue-skinned Fugates of eastern Kentucky.

Moonbows over Kentucky.

The collection of a paranormal investigator who traveled the country collecting haunted items and stories.

This abandoned nuclear cooling tower casts a shadow over a bucolic town.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This church houses the “incorrupt” body of its founding Bishop.

In 1912, a broken section of the reservoir wall released millions of gallons of water and destroyed many homes downhill.

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

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

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

The site of the one of the most deadly train wrecks in American history.