Bad farming practices caused this unnatural natural wonder.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

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

The ruins of a paper mill destroyed during the Civil War still tower over a tributary of the Chattahoochee River.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

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

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

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

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

One of the oldest living oak trees in the Southeast.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

Ruins of a Carnegie family mansion on Cumberland Island.

Local myth claims this is a Sears catalogue home with its windows installed upside-down.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The highest point in Texas is capped by a big silver pyramid.

Steep canyon walls hide a forested oasis in the West Texas desert.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The first declared National Monument in the United States.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

This vintage train once gave new meaning to “swimming upstream.”

This geodesic gallery holds a collection of painted spheres that make traditional canvases look lazy by comparison.

Seth Bullock, the sheriff of Deadwood, built this town immediately after Teddy Roosevelt’s death in 1919.

A cemetery housing wild west legends in South Dakota.