Here is the list of the Top 5 Unsolved Mysteries of Campers who vanished without a trace. From a boy's scout who went missing while hiking in the national park to the disappearance of a high school student during his summer vacation camping trip.
5. Alfred Beilhartz 4. Charles Horvarth-Allan 3. Jared Negrete 2. Christopher Alan Temple 1. Theresa Ann Bier