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

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

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

This hidden stone has absorbed decades of human anxiety.

The legacies of two historic Black American institutions live on in this unassuming brick building.

An unusual art exhibition in a suburban yard is designed to awaken the souls of those flowing by.

This stone is a marker of one millionaire's personal vendetta against gravity.

This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

This natural wonderland is a unique chance to explore a Carolina bay, a mysterious geological formation of unknown origin.

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

This handcrafted, old western-style town is filled with deserted cars, retired movie props, and other forms of Americana.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

Divinely-inspired village houses 6,000 dolls, plus strange and lovely outsider art.

A forgotten sea village stands silent after hurricanes deemed it obsolete.

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

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

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

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

A sculptor's dream castle turned fantastical ruin.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

This botanical garden has been nicknamed "Alabama's Little Corner of Greece."

A miniature city built by a single hunchbacked monk.