A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

One of the few surviving original NASCAR dirt-track speedways.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

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

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

Scattered around Atlanta are little doors with big charm.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A highway marker that honors a former spy plane pilot and local hero.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

This abandoned sea fort has become an accidental bird sanctuary.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

This protected area in Lake Huron contains some of the world’s best-preserved shipwrecks.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

The writing studio of an American adventure author, built in the style of a medieval castle.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.