Humayun's Tomb is one of the best preserved tomb in Delhi city and it is open everyday since sunrise up to sunset. It was built in the middle of the 16th century by Haji Begum, who is the senior wife of Humayun. Humayun was the second mughal emperor and this tomb is pure example of early Mughal architecture.
The main things one can notice about this historical tomb is the high arched entrances, which is spreading light inside it and the topped bulbous dome as well as surrounded by the formal types of gardens. This tomb was built earlier to Taj Mahal and so it have relation to the world famous Taj Mahal.