This mysterious twin turboprop Grumman G-159 covered in graffiti has spent a decade and a half abandoned.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

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

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

This ever-changing arrangement of naked dolls even caught the attention of "The Walking Dead" crew.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

Giant instrument-shaped home in Fayetteville, Georgia.

A man's home is his castle.

The statues commemorate the legendary mass killing of escaped circus monkeys.

A herd of plastic cows hangs out under this transmission tower in rural Georgia.

A vast collection of rare, historical, and vintage supercomputers.

Like Mars, but much closer.

An elegant Georgian cemetery best known for the grave of the little girl whose murder on Christmas Day remains unsolved.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

A vision of beautiful Hindu architecture in the middle of the American South.

Two Civil War-era cemeteries stuck between runways at the world's busiest airport.

An ornate Buddhist temple located in an Atlanta suburb, built by and for the Laotian community.

Healing Springs that once ran red with soldiers' blood.

This hidden stone has absorbed decades of human anxiety.

This collection of ferns from across the globe is the largest assortment in the United States.

3/4-scale model of the White House in Atlanta, Georgia.

Developers built a Walmart around one family's plot and constructed a mausoleum in the parking lot.

The beauty of urban decay, hiding some dark secrets.