Watch the asadors cook local lamb on an iron cross over a live fire and luxuriate in it with a glass of Patagonian pinot noir in hand. One of one of the best restaurants for grilled delicacies is La Tablita in El Calafate. In Ushuaia, dine on traditional Argentine seafood at the restaurant Kaupé, considered probably the greatest within the country. Between El Chaltén and El Calafate, you'll find a way to stay at Helsingfors Lodge, a former ranch set on the shores of Lake Viedma with great meals and stunning mountain views. On Lake San Martin, several hours north…