The Al-Askarian (AS) Holy Shrine in Samarra, Iraq is built in the form of a hexagon with a golden dome that is located in the middle of the holy courtyard.

In this holy site, in addition to the holy bodies of Imam Hadi (A.S) and Imam Hasan Askari (A.S), the bodies of other members of Ahlul-Bayt (A.S) are also buried.

Source:en.shafaqna.com