Enter The National Geographic Yellowstone Live Sweepstakes by August 8, 2018, for your chance to win a trip for two on a four-day National Geographic Expeditions trip to visit West Yellowstone or Bozeman, Montana. This trip includes round-trip airfare for two; a three-night stay in a national Geographic Expeditions Unique Lodge; and some meals and activities are included. Two other winners shall receive a National Geographic Eagle Creek 40L Utility Backpack and a Pack-it Storage Compression Cube Set and more! Enter today for your chance to win one of these prizes. Good luck!