Built in 1678 AD by Prince Mohammad Azam, son of Mughal emperor Aurangazeb. The fort was the scene of many bloody battles, including those during the Mughal era, a revolt against the British during the time of the Raj and protection for the revolutionary forces during the Bangladesh Liberation War. Monuments of the Lalbagh site include the Tomb of Pari Bibi, Lalbagh Mosque, the Audience Hall and the Hammam of Nawab Shaista Khan, which now houses a museum.