From the rocky terrain in the North through the fertile pampa of the central provinces, all the way to the mountainous West and cold, desolate provinces of the South, the estancias of Argentina produced the high-quality meat and grain that gave the country one of the world's most powerful economies at the turn of the century. Built in a diversity of architectural styles, from Spanish farm-house to Edwardian country home, the residences of the estancieros...