Tibet has for centuries evoked images of a lost Shangri La! To this day, it's stunning Himalayan views, high plateau, beautiful Buddhist monasteries and extraordinary people combine to make Tibet one of the world's great travel experiences.Tibet borders India, Burma, Bhutan, Sikkim and Nepal. Covering a massive 1.22 million square kilometers, the plateau is surrounded by the highest mountain ranges, the Himalaya to the south, the Karakoram to the west and the Kunlun to the north. With an average elevation of 14,000 feet, Tibet is literally the highest nation on earth. Five of Asia's great rivers including the Indus, Mekong and Brahmaputra have their headwaters in Tibet, nearly half the world's population lives downstream from Tibet.