Visit the Tomb of Askia in Gao

Remote 65-metre brick minaret, alone in a river gorge since the 12th century.

Ninth-century mosque with the spiralling Malwiya minaret.

Great Mud Mosque town, UNESCO-listed.

Ancient city of the Patriarchs.

Ancient Saharan town of desert libraries.

The world's largest car-free old city.

One of the world’s largest squares, framed by the tiled masterpieces of Safavid Isfahan.

Moorish palace-fortress of Granada.