The first full-scale tunnel built in America is short but scenic.

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

Mile-long cave system near Great Smoky Mountains.

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

These eerie outliers of the lightning bug family glow a mysterious blue color.

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

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

Railroad came. People came. Railroad left. Town died.

Visit this playground of waterfalls, caves and sinkholes.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

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

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

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

A historic covered bridge, only one of two remaining in North Carolina.

This structure among the trees was the result of divine inspiration.