Humayun's Tomb is the famous tomb of Humayun, who was the Mughal Emperor. The construction of this tomb was commissioned by Humayun's wife, Hamida Banu Begum in 1562. It was designed by Mirak Mirza Ghiyath, a Persian architect and it is situated in Nizamuddin East. The entire structure is built using red sandstone, which was declared as a UNESCO World Heritage Site in 1993.There is a huge garden in the complex, which has fountains, pools, trees and benches to sit. Tourists can also see the Char Bagh inside the complex which have quadrilateral Persian style layout. Babar's Tomb is also situated near the main tomb of Humayun inside the complex.