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

Coca Cola may be "the real thing" but its inventor, buried at this Georgia gravesite, called it a "valuable brain tonic."

This lovely burial mound is actually a replica that was installed after archeologists excavated the original.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

This historic oak tree has been around for over 300 years and might last for 300 more so long as it doesn't fall apart first.

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

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

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

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

A white oak with property rights.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

An impressive collection is dedicated to the legendary beast.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

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

One of almost 200 confirmed impact craters in the entire world, untouched for tens of millions of years.

Since it formed millions of years ago, this cave system has been a sacred burial ground, a Prohibition-era speakeasy, and the center of an amusement park.

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

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

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

A collection of huge Pre-Colombian structures in Alabama.

Cadillac where country's first big star was found dead.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

148 feet long and in the middle of a verdant forest.