10 unsolved crimes mysteries from the american old west a ship isnt usually something you associate with the wild west butch cassidys death cassidys mug shot from the wyoming territorial prison in 1894 butch cassidy and the sundance victorio peak treasure the victorio peak treasure is . 10 unsolved old west mysteries wild west history 1 the lost mine 2 thunderbirds just like every other part of the world native american folklore tells of many mythical creatures 3 the gold of henry plummer henry plummer was a legendary law man of the wild west though sheriff of a town he . This book explores and examines twenty one of the old wests most baffling mysteries which lure the curious and beg for investigation even though their solutions have eluded experts for decades many relate to the death or disappearance of some of the best known lawmen and outlaws in history such as billy the kid buckskin frank leslie john