Jumma Masjid was built, in red sandstone and white marbel, by emperor Shah Jahan. Origanally known as the Masjid-I-Jahannama, it was built in 14 years by 5000 artisans and was completed in 1658. Situated opposite the Red Fort, it is the largest mosque in India.

The mosque is a unique architectural piece of the Mughal period. It has three gateways, four towers and two minarets as tall as 40 mts.

The main prayer hall is situated at the westren side of the mosque. Koran written on deerskin, a red-beard hair of the Prophet, his sandals and his footprint embedded in a marble slab are some of the relics of Mohammad that are stored in the mosque which are considered obviously very pious by the Muslims.