This six-foot-tall headstone pays tribute to the Appalachian drink that changed the pace of human life: Mountain Dew. Located in the Oak Hill Cemetery in Johnson City, this unique monument is an homage to Mountain Dew’s original bottle design. Brothers Ally and Barney Hartman ran a Pepsi-Cola bottling plant in Knoxville, Tennessee. They wanted a lemon-lime soda to use as a mixer with whiskey, and mixed up a little something of their own. They jokingly called it Mountain Dew, an old nickname for moonshine. They debuted the product in its signature deep…