Built by Mughal Emperor Shah Jahan between 1650–1656, Jama Masjid in Old Delhi is India’s largest mosque, accommodating up to 25,000 worshippers and is a masterpiece of Indo-Islamic architecture with red sandstone, marble domes, and towering minarets. It is worth visiting because it is both a spiritual center and a masterpiece of Mughal architecture. {(Daily: 7:00 AM – 12:00 PM, 1:30 PM – 6:30 PM) Close during prayer times for non-Muslim visitors}