This little-known memorial honors those who have donated their bodies to medical training.

Dothan, Alabama has been invaded by scores of anthropomorphic peanuts.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

A miniature city built by a single hunchbacked monk.

This hidden stone has absorbed decades of human anxiety.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

The world's first time capsule lies behind a welded steel door in Atlanta.

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

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

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

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

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

Visit this playground of waterfalls, caves and sinkholes.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

Mile-long cave system near Great Smoky Mountains.

Enormous lake at the bottom of a unique cave system.

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

The beauty of urban decay, hiding some dark secrets.

This "living building" on Georgia Tech's campus is home to a blueberry orchard, honeybees, and more than 900 solar panels.

Tour the sci-fi-esque reality of governmental disease management.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

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