A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

Built in 1785, this residence is the oldest stone house in Georgia.

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

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

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

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

This space rock fragment is one of the only meteors to have ever struck a human.

This natural spring not only claims to heal the wounded but it has also been willed to God.

All that's left of the quintessential "cabin in the woods."

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

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

The wooden house where the jazz great learned to play the piano.

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

These early tent-shaped grave coverings are unique to Appalachia.

Cherokee alphabet, proof of ancient North American Jews, or just a hoax?

Visit this playground of waterfalls, caves and sinkholes.

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

Mile-long cave system near Great Smoky Mountains.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

Bad farming practices caused this unnatural natural wonder.

Enormous lake at the bottom of a unique cave system.