This picture is from the UNESCO World Heritage Site. This spiral minaret was built out of mud brick in the 9th century, when Samarra was the capital of the Abbasid Caliphate. It is in Iraq, 125 kms north of Baghdad. The minaret is part of the Abbasid palace complex, which is still has over 80% of the structure to be excavated. The site is on the UNESCO World Heritage in Danger list.