Timbuktu was an intellectual and spiritual capital and a center for the propagation of Islam throughout Africa in the 15th and 16th centuries Timbuktu by UNESCO
This tomb bears testimony to the power and riches of the empire that flourished in the 15th and 16th centuries through its control of the trans-Saharan trade, notably in salt and gold Tomb of Askia by UNESCO
The largest mud-built structure in the world, the Great Mosque of Djenné has been reconstructed multiple times. Great Mosque of Djenné (Djenné peoples) by Dr. Elisa Dainese