Qutub Minar is a UNESCO World Heritage Site in Delhi, India. The Qutub Minar was constructed with red sandstone and marble, and is the tallest minaret in India, with a height of 72.5 meters (237.8 ft), contains 379 stairs to reach the top, and the diameter of base is 14.3 meters whereas the last store is of 2.7 meters. The Construction was commenced by qutub-ud-din Aibak in 1192 and completed by Iltutmish (Wiki).
