(a) Lake Baikal, Siberia, Russia is the deepest lake in the world with a depth of 1,637 metres (5,369 ft),the second deepest lake, Lake Tanganyika in Central Africa is 1,470 metres deep (4,823 ft).Angel Falls (Salto Ángel) in Venezuela are the highest waterfall in the world. The falls are 3,230 feet in height, with an uninterrupted drop of 2,647 feet.