Akbar II
The most visible piece of architecture remains the Qutub Minar which was built by Qutb al-Din Aibak with subsequent additions by Iltutmish and Alauddin Khalji. The Qutb Minar complex is today a UNESCO world heritage site, and also the venue for the annual Qutub Festival.Mausoleum of a 13th-century Sufi saint, Khwaja Qutbuddin Bakhtiar Kaki, is also situated near the Qutub Minar Complex and the venue for the annual Phoolwalon-ki-sair Festival. The dargah complex also houses graves of later Mughal emperors, Bahadur Shah I, Shah Alam II, and Akbar II, in an adjacent marble enclosure. To the left of the dargah, lies Zafar Mahal, the summer palace of the last Mughal Emperor Bahadur Shah Zafar along with "Moti Masjid", a small mosque, built for private prayer by the son of Aurangeb, Bahadur Shah I