Humayun’s tomb is known as the first example of the monumental scale that would characterize subsequent Mughal imperial architecture. Commissioned, it is believed, by Humayun’s senior widow, Haji Begam, or by her son Akbar, the tomb is the first to mark the grave of a Mughal emperor; Humayun’s father Babur, who founded the dynasty, had requested out of piety that he be buried in a garden. Humayun’s Tomb is now one of the best-preserved...