• Qutab Minar is the tallest brick minaret in the world.
•  The foundation of the tower was laid down by Qutubu’d - Din Aibak in 1199 AD.
•  The first storey was completed during the reign of Aibak.
•  The next three stories were added by Shamsu'd-Din Iltutmish, the son - in - law of Qutubu’d - Din Aibak.
•  The fifth and the last storey were constructed by Firuz Shah Tughlaq.
•  According to the Archeological Survey of India, the site at which Qutab Minar is located was once occupied by 27 Hindu and Jain temples. 
•  Qutab Minar is made up of red and buff sandstone, containing intricate carvings and verses from the Holy Quran.