Built by Emperor Akbar in 1583 AD, the fort stands on the banks of the river Yamuna near the confluence site. Its distance from Civil Lines is about 8 kms. In its prime, the fort was unrivalled for its design, construction and craftsmanship. At present the fort is used by the Army and only a limited area is open to visitors. Visitors are allowed to see the Ashoka Pillar and Saraswati Koop, a well, said to be source of the Saraswati river and Jodhabai Palace . The Patalpuri temple is also here. So is the much revered Akshaya Vat or immortal .