Carved faces add a touch of magic to this island's impressive oak trees.

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

Beneath the surface, something slithers. And if you find it, prepare to be slimed and glowing.

An impressive collection is dedicated to the legendary beast.

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

Healing Springs that once ran red with soldiers' blood.

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

Bad farming practices caused this unnatural natural wonder.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

Ruins of a Carnegie family mansion on Cumberland Island.

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

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

A bizarre roadside attraction and the first instance of miniature golf in the world.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Giant granite rocks standing end-to-end like a train of circus elephants.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Curious cave that stays a cool 56 degrees all year long.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

European castle ruins in an American state park are actually the product of death and grief.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.