This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

In Rickwood Caverns, visitors can travel hundreds of feet underground and see beautiful formations unique to the region.

This 880-acre facility is home to a massive collection of vintage motorcycles and cars, as well as a 2.38-mile race course.

Abstract marble carving for an 8.5-pound rock.

Could this grave be the true resting place of legendary gunfighter "Doc" Holliday? Unclear.

Designed by famed architect Horace King.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

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

This bridge is haunted by the ghost of a distraught mother.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

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

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

You can find America's highest suspension footbridge at Grandfather Mountain in North Carolina.

A mountaintop space observatory that is certified dark.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

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

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

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

This ghost town houses the remains of Alabama's old state capital.

These ruins are all that's left of the former Alabama State Capitol.

Once one of the largest producers of pig iron in the world.