The massive walls of Lahore Fort, built by Akbar in the 1560s, tower over the old city of Lahore, and the huge rectangle they define, 380 by 330 meters (1,250 by 1,080 feet), is filled with buildings from a variety of periods. A complete tour of the fort takes about two hours. The entrance to the fort is through Alamgiri Gate The inscription outside the Fort tells that Jehangir built it in 1618.