Humayun's Tomb is a UNESCO World Heritage Site located in Delhi, India. Built in 1565, it was commissioned by Humayun's widow, Empress Bega Begum, as a tribute to the Mughal emperor. The tomb is notable for its stunning Persian architecture, featuring a large dome and beautiful gardens. The structure is made of red sandstone and white marble, showcasing intricate carvings and inlay work. It is surrounded by a vast garden, which follows the traditional Mughal charbagh layout, symbolizing paradise. Humayun's Tomb is considered a precursor to the famous Taj Mahal and is an important example of Mughal architecture.