The Masjid e Jahan Numa commonly known as the Jama Masjid of Delhi, is one of the largest mosques in India. The great mosque of Old Delhi is the final architectural extravagance of the Mughal Emperor Shah Jahan with a courtyard capable of holding 25,000 devotees. It was built by the Mughal Emperor Shah Jahan between 1650 and 1656 at a cost of one million rupees, and was inaugurated by Imam Syed Abdul Ghafoor Shah Bukhari from Bukhara. The great mosque of Old Delhi is the final architectural extravagance of the Mughal Emperor Shah Jahan with a courtyard capable of holding 25,000 devotees.

Fatehpuri Masjid was built in 1650 by Fatehpuri Begum, one of Shah Jahan’s wives. Situated at the western end of Chandni Chowk in Delhi, Fatehpuri Masjid is a 17th century mosque named after the Mughal Emperor Shah Jahan’s wife- Fatehpuri Begum. Buland Darwaza (Victory Gate) having a height of 54 m leads to the main entrance of the mosque.

Shri Digambar Jain Lal Mandir is the best known and oldest Jain temple in Delhi. It is directly across from the Red Fort in the historical Chandni Chowk and old delhi area. The temple is known for an avian veterinary hospital, called the Jain Birds Hospital, in a second building behind the main temple. A Jain temple or Derasar is the place of worship for Jains, the followers of Jainism.

The 800 year old Gauri Shankar Temple is a Hindu temple and is located near the Digambar Jain Lal Mandir on the main Old Delhi road in Chandni Chowk. The Gauri Shankar Temple is dedicated to Lord Shiva and is one of most significant temples of Shaivism. The Gauri Shankar Temple is one of the most important temples for Shaivites and houses an 800-year-old lingam. It falls next to the Digambar Jain temple, another must visit and the Gurudwara Sis Ganj. All three are different experiences in themselves, one austere, the other riotous and more colourful.

Gurdwara Sis Ganj Sahib is one of the nine historical Gurdwaras in Delhi. It was first constructed in 1783 by Baghel Singh to commemorate the martyrdom site of the ninth Sikh Guru, Guru Tegh Bahadur. Located in Chandini Chowk, Gurudwara Sis Ganj Sahib was built at the spot where Guru Teg Bahadur was beheaded by Mughal Emperor Aurangzeb, when the former refused to convert to Islam. The present building of the Gurudwara Sis Ganj Sahib was constructed in 1930 and tree under which Guru Teg Bahadur was beheaded has also been preserved and so is the well where the guru would bathe.