Photos: Varun Shiv Kapur from New Delhi, India (CC BY 2.0)
Monument in Majnu-ka-tilla, Delhi · hours: sunrise-sunset.
Within 1 km of Shah Alam Tomb.
Centuries-old wholesale spice, dry fruit and herb market at the western end of Chandni Chowk, often called Asia's largest spice market.
Historic gurdwara on Chandni Chowk marking where the ninth Sikh Guru, Guru Tegh Bahadur, was executed in 1675. It runs a daily free langar.
Delhi's oldest Jain temple, a red sandstone shrine facing the Red Fort. A charitable bird hospital runs behind it.
Shah Jahan's great congregational mosque in Old Delhi, built of red sandstone and white marble, with a vast courtyard and tall twin minarets.
Dense web of Old Delhi bazaars, each lane specialising in one trade: wedding trims, silver, books, fabric, spices and legendary street food.
Old Delhi's best-known Mughlai eatery, in a lane off Jama Masjid since 1913, famed for meat curries, kebabs and khamiri roti.
A 16th-century gateway from Sher Shah Suri's era on Bahadur Shah Zafar Marg, notorious as the place where three Mughal princes were shot in 1857.
The ruined 14th-century citadel of Firuz Shah Tughlaq, with a 3rd-century BC Ashokan pillar. Crowds gather on Thursdays to leave wishes for djinns.
A 72.5 m fluted tower begun in 1199, standing in a UNESCO-listed complex in Mehrauli. The complex also holds the Iron Pillar and the Alai Darwaza.
Lutyens' 42 m war-memorial arch on Kartavya Path, honouring Indian soldiers who died in WWI and the Third Anglo-Afghan War. Its lawns are a popular evening hangout.
India's flagship museum on Janpath, covering roughly 5,000 years of art and archaeology, from the Harappan period to the decorative arts.
A 16th-century citadel on Mathura Road linked with Humayun and Sher Shah Suri. Excavations here show settlement going back about 3,000 years.
A 200-acre wooded heritage park beside the Qutb complex with about 100 monuments, including Balban's tomb, Jamali Kamali and Rajon ki Baoli.
Monument in Delhi.
Monument in Delhi.
A Khalji-era rubble tower in Hauz Khas Enclave with 225 holes, where, legend says, the heads of executed thieves were displayed.