A teenage boy is dead after falling from an outdoor waterslide near Wisconsin Dells. Police say a 16-year-old from Florida was sledding with his brother and a friend at about 10-30 last night . when they climbed over a 7-foot fence to sled down a water slide that had been closed for the season at Mount Olympus. The boy got caught in the snow while going down the slide and tried to free himself . but fell 35 feet to the ground. He was pronounced dead at the scene.