Image of Humayun's Tomb which is the tomb of the Mughal Emperor Humayun. The tomb was commissioned by Humayun's wife Hamida Banu Begum in 1562 CE. It was the first garden-tomb on the Indian subcontinent and is located New Delhi, India. It was also the first structure to use red sandstone at such a scale. The tomb was declared a UNESCO World Heritage Site in 1993.