Discover the history behind the philosophy that has led millions of followers on a quest for spiritual enlightenment. Through the epic story of Siddhartha Gotama, learn why Buddhists believe the key to "Nirvana" lies within themselves, accessible through thoughtful meditation and prayer. From its origins in central Asia, see how different Asian cultures have adapted the teachings of Buddha over time -- from the Mahayana Buddhists of China and Korea to the Dalai Lama and the Buddhists of Tibet.