Qutub Minar is a masterpiece and one of the most impressive examples of Indo-Islamic architecture that is located in the Qutub Complex, which is a UNESCO World Heritage Site in the Mehrauli area of South Delhi. Qutub Minar is 73 meters tall, and is the world’s highest brick minaret. It was constructed in the early 13th century by Qutb-ud-din Aibak and finished by Iltutmish. Verse fragments from the Quran and elaborate embellishments decorate the minaret. The Quwwat-ul-Islam Mosque, Alai Darwaza, the Iron Pillar, and other historic buildings are all part of the surrounding complex.