Qutab Minar, Delhi

The emblem of Delhi, the 72.55 meter high Qutab Minar was erected in the 13th century by Qutab-Ud-Din Aibak. The monument tapers from a 15-meter diameter base to just 2½ metres at the top. Beautiful calligraphy adorns the adjacent edifices. The tower has five distinct stories, each marked by a projecting balcony. The first three stories are made of red sandstone, the fourth and fifth of marble and sandstone.