15. Qutub Minar, Delhi
Qutub Minar is one such site that was listed on the UNESCO World Heritage List in 1993. It was constructed by ruler Qutub ud din Aibak of the Delhi Sultanate. This is the best tourist attraction site in India. The main feature of the Qutub Minar is the use of sandstone and marble for the construction of it. Also, visitors can see its unique calligraphic inscriptions while standing on the walls and balconies of its structure. It is the best place to see you should not miss it.