What place name is dead last in the geographic dictionary? It's Zzyzx, on the Interstate between LA and Vegas. It was a resort, of sorts, created out of nothing by Curtis Howe Springer. Springer made enormous sums of money by selling "medicine" that was nothing more than fruit juice. Eventually, the FDA caught up with him and the whole enterprise went belly-up. But the remains of his resort still exist... read more about it here.