Agra, known for the Taj Mahal, is a city on the banks of the Yamuna River in the northern state of Uttar Pradesh, India. Agra's Taj Mahal is one of the most famous buildings in the world, the mausoleum of Shah Jahan's favorite wife, Mumtaz Mahal. Taj Mahal is one of the New Seven Wonders of the world, and one of three World Heritage Sites in Agra.