Skeleton Canyon may have been the deadliest place in the Old West. Straddling the border between Arizona and New Mexico, it was the home of several shootouts, most notably the Skeleton Canyon massacres of 1879 and 1881. Saddle up and join robriggle in Skeleton Canyon on the search for outlaw Zwing Hunt’s lost treasure tonight at 9P on Rob Riggle: #globalinvestigator. Photo Credit: BAlvarius, Wikimedia Commons