A good start to understanding Delhi and the Mughals is at India’s largest mosque, Jami Masjid. Built in the 17th Century by Shah Jahan, the mosque is magnificent, religiously important and historically significant. Surrounded by the seething streets and bazaars of Old Delhi it is best to see these from a bicycle rickshaw. After time in Old Delhi visit the magnificent tomb of Humayun at Nizamuddin in New Delhi and drive through the formal grid of wide, tree-lined avenues. The grandest scheme of buildings in the history of the British Empire has been the seat of the Indian central government since 1931.