This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

This abandoned sea fort has become an accidental bird sanctuary.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

An eerie, decaying ghost town destined to fade into the forest.

The trials and tribulations of marking Poe's grave.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

An exotic reptile facility showcasing some of the rarest, most venomous snakes in the world.

This airfield is home to a number of retired vintage planes in various states of disrepair.

The cruel trial of a 13-year-old boy inspired the creation of this now abandoned reformatory.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

This futuristic folk sculpture park sits along a peaceful stretch of rural North Carolina roadway.

Art Deco urban decay at this historical building.

The final resting place of the hundreds of bodies originally buried where Badin Lake sits now.

Hidden amid a collection of trails is the site of a tragic crash.

An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

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

Trace the history of writing at this unusual North Carolina destination.

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

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

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

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

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

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.