Whether it's the spicy food, steamy rainforests or just pure passion, the heat is always on in South America. Dance the tango, drink homegrown coffee and hike in the mountains. There's almost no end to the amazing things your clients can discover and experience while cruisetouring in fascinating countries like Argentina and Brazil.             Buenos Aires Gauchos, the native cowboys of the South American pampas are still living and thriving in Buenos Aires. Guests can explore the rich history of this rustic lifestyle, and catch a glimpse of how life has been since Argentina's independence in 1816. From taming their herds and land, to the modern influences of today, the Gaucho experience is a local adventure you'll remember forever. But don't worry, they'll still have plenty of time to sample delicious Argentine cuisine and take in a tango show. (And remind them to pack their gaucho pants.)         Iguazu Falls Guests will get up close and personal with one of South America's most marvelous natural wonders. These waterfalls are so massive that it takes not hours, but days to get the full picture of their fantastic beauty. Walking tours of both the lower and upper circuits, Devil's Throat, and a guided Zodiac ride along the lower Iguazu River should cover just about every breathtaking angle.                     ©2009 Royal Caribbean Cruises Ltd. Ships registered in the Bahamas. *Brilliance of the Seas® is operated by RCL (UK) Ltd., a subsidiary of Royal Caribbean Cruises Ltd.