HELEN, Ga. — There's a mystery rising from Chickamauga Creek in North Georgia. Locals say don't cross the Stovall Mill Covered Bridge unless you're ready to face whatever it is calling out after dark.

I love a good ghost story and have since I was a kid. The house I grew up in was a Victorian built in 1911. My grandmother had the room at the top of the winding staircase. When you walked in, if you ...