The Tomb of Askia, in Gao, Mali
, is believed to be the burial place of Askia Mohammad I, one of the Songhai Empire's most prolific emperors. It was built at the end of the fifteenth century and is designated as a UNESCO World
UNESCO describes the tomb as a fine example of the monumental mud-building traditions of the West African Sahel. The complex includes the pyramidal tomb, two mosques, a cemetery and an assembly ground. At 17 metres in height it is the largest pre-colonial architectural monument in the region. It is the first example of an Islamic architectural style that later spread throughout the region.