The majestic natural beauty of the Himalaya Mountains has inspired awe and religious devotion in people around the world for millennia. With thirty peaks rising over 25,000 feet (7,620 meters) -- including Everest and Kanchenzonga, the world's highest and third-highest peaks -- the Himalaya dwarf all other mountain ranges. Sprawling 2,700 kilometers across India, Pakistan, Nepal, Tibet, and Bhutan, the Himalaya possess an abundance of ecological niches,...