National Geographic The Preserve the Parks Sweepstakes

http://www.nationalgeographic.com/preservetheparks/
Prizes, Approximate Retail Value (“ARV”) & Odds: One (1) Grand Prize: A 7-day National 
Geographic Expedition to Yellowstone and Grand Teton National Parks for two (2). The trip 
consists of round-trip coach air transportation for two (2) from a major airport near winner’s residence (as determined by Sponsor) to Bozeman, MT and return trip from Jackson Hole, WY, accommodation for 7 days/7 nights (one room, double occupancy), includes daily excursions