Humayun's tomb is the tomb of the Mughal Emperor .The tomb was commissioned by Humayun's first wife and chief consort, Empress Bega Begum.Humayun found in 1533. 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,

Location: Humayun's Tomb, Nizamuddin West, New Delhi

https://en.m.wikipedia.org/wiki/Humayun%27s_Tomb