Bolivia is a country in central South America, with a varied terrain from the Andes, the Atacama Desert and the rainforest in the Amazon basin. At more than 3,500 m high, its administrative capital, La Paz, is located in the Andes Highlands with the snowy hill Illimani in the background. Nearby is the crystalline Lake Titicaca, the largest on the continent, which extends along the border with Peru.