Delta is celebrating its service to six continents with the Delta Dream Vacation Sweepstakes. SkyMiles members who register by Feb. 16, 2010 and purchase a Delta flight and fly by March 16, 2010, are eligible to win one of six vacation packages to Rio de Janeiro and the Amazon, London and Oxford, Sydney and the Great Barrier Reef, Johannesburg, Shanghai and Beijing or San Francisco and Napa Valley. The more you fly, the more chances you’ll get to win. SkyMiles members who simply register for the Sweepstakes by Feb. 16, 2010, are entered to win 150,000 miles. Visit http://insideflyerus.wpengine.com/link/?2048