amzn_assoc_placement = "adunit0"; Geologists love highway departments that create beautiful roadcuts like this one! Wyoming Whiskey Shop; Avas Silver and Rock Shop; Merlins Hide Out; Storyteller; Webcam; TO DO. The granites and gneisses of Wyoming are up to 3.4 billion years old (and Earth is only about 4.6 billion!). Perfect Camping Spot.