Shri Kanchi Kamakoti Peetham
http://www.kamakoti.org/More than 1000 pages of information on Hinduism and Advaita. See their 'site map' for links to everything about Hindu dharma, together with many articles and tributes to Shankara and his lineage.
Submitted in section: Religion & Spirituality: Advaita Vedanta: Shri Kanchi Kamakoti Peetham