Spring Back to Vail, April 12 - 18: Vail's huge end-of-the-season bash features on-snow events, street parties, the World Pond Skimming Championships and free concerts from artists including Guster, Wyclef Jean and the Robert Earl Keen Band. Ski.com has lodging deals during the festival, like $690 per person for four nights at the Lodge at Vail, plus three days of lift tickets.