Bragatheeswarar Temple, Thanjavur
Rajaraja Cholan, the Great Chola king built The Bragatheeswarar (Peruvudaiyar) Temple, also known as Big Temple. The Sivalinga of Sri Brihadisvara is probably the grandest in existence.
Rajarajeswaram, as the temple was named by its founder, fills a large portion of the small fort (Sivaganga Fort), encircled by moat on the east and west, the Grand Anaicut Channel (Putharu) on the south, and by the Sivaganga Garden on the north.
Main shrine has three portals named Keralantakan, Rasarasan and Thiru-Anukkan. These portals are guarded be Dwarapalikas or the guardians of the gate.
Web : http://www.thanjavur.com/bragathe.htm