Relish face-to-face encounters with two of the world’s last great frontiers – Southern Patagonia’s majestic fjords and glaciers and Torres del Paine’s stunning scenery – on this remarkable 16-day small group journey showcasing South America’s diversity.  Experience vibrant Buenos Aires during a three-night stay, seeing the Argentinian capital’s highlights, attending a tango show, and touring independently.  After exploring Ushuaia, the world’s southernmost city, board a comfortable small ship for an extraordinary four-night cruise through the storied Tierra