Discover Buenos Aires at all the luxury but half the price. From now until March 31, 2009, when you stay at the Park Tower Buenos Aires, you can enjoy the hotel named to the Condé Nast Traveler 2004, 2005, 2006 and 2007 Hot Lists for 50 percent off. (It's also a 2004 Condé Nast Traveler Readers' Choice award winner and named to Travel & Leisure's World's Best 500 Hotels 2007.) Here's the fine print: Stay one night, and the second night is 50 percent off. This special deal applies to rates that are prepaid and non-refundable. Park Tower Buenos Aires boasts an ideal location in the heart of the city, a state-of-the art gym, 181 spacious Biedermeier-influenced guest rooms and suites, the gourmet St. Regis Restaurant, and personal butlers to provide exceptional, exclusive service.