 South from the city lies the colonial Valdivian Fort System.Also in this area of the country are the Lake O'Higgins, the deepest lake of the Americas and fifth in the world with 836 meters; On the other hand, several studies have located the oldest archaeological remains of the current Chilean continental territory in Monte Verde, Los Lagos Region, about 14,800 B.C., at the end of Upper Paleolithic, making it the first known human settlement in the Americas.The Lake District is characterized by piedmont lakes crowned by snowcapped volcanoes, whose lower flanks are covered with lush forests of native trees.