Red Fort or Lal Qal’ah built by the Mughal ruler Shah Jahan in the mid-17th century and remained as the tourist attraction in Old Delhi which was designated as World Heritage site by UNESCO in 2007. The massive red stone walls standing 75 feet (23 metres) tall, and enclosed the palace complexes, entertainment halls, projecting balconies, baths and indoor canals, geometrical gardens as well as an ornate mosque is really unbelievable.  The stock image of the Naubat Khana is splendid which can be truly enlisted in any of the historical monuments.