CONAF, Chile’s National Forest Corporation, is currently working to expand Torres Del Paine to meet the latest UNESCO criteria, but such a move must incorporate private lands like Puerto Natales, Cerro Castillo, and the Milodon Cave. Early expeditions through the park began in 1879, though it was not formally created until 1959. Two decades later, the land became a Biosphere Reserve of the United Nations Educational, Scientific and Cultural Organization, or UNESCO. As definitions of the biosphere reserve…