This week's winner is moody r. (moodyriver), "It's all that remains of a society that died off after the IPO failed." And the runners up are justin d. (username32), "Finally, evidence of self absorbed prehistoric teenagers." And Michael G. (Guzzo), "The ancient Hohokam named it Facerock." The winning caption, selected by the Star's David Fitzsimmons, will appear in Sunday's paper.