One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

This small exhibit explores the lives of Chang and Eng, the first known conjoined twins.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

Rural churches in the middle of nowhere with religious frescoes by famous artist.

This North Carolina grave is the final resting place of the world's most famous conjoined twins.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

This abandoned amusement park was built on a site with a dark history.

One street divides a single town that stands in two U.S. states.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

A museum dedicated to the legacy of Bob Moog and his pioneering synthesizers.

A rapidly disappearing authentic bit of the old south.

Follow the steps, and this roadside artwork will teach you how to dance.

This historic train station has been converted to a locomotive themed hotel.

More than five miles of underground passageways.

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

The world's longest known cave system.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

A headstone tells the sad story of a lost little boy and his pet dog.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

This small plaza encourages people diagnosed with cancer to never give up hope.

Known locally as "the giant head," this 14-foot LED sculpture has a photo booth in the neck where you can have a 3D picture taken and displayed.