You can read about a little about Buddhist religion, history of Buddhism and Gautam Buddha on this site. The four most important pilgrimage sites of Buddhists - Lumbini, where Prince Siddhartha was born; Bodhgaya, where he attained Enlightenment and became Buddha; Sarnath, where he preached his first sermon and Buddhism was born; and Kushinagar, where Gautam Buddha left his mortal body forever or attained Nirvana - are discussed here.
Buddhists from all over the world come to visit these places in India and Nepal. Besides, this site also offers you special tours to these sites along with other sacred and significant Buddhist sites in India such as Buddhist Pilgrimage Tour, India Buddhist Tour and India Nepal Buddhist Tour.