Muhammad al-Mahdi is believed by Twelver Shia Muslims to be the last of the Twelve Imams and the Mahdi, who will emerge in the End Times to establish justice and will be assisted by Isa. Following the
The Al-Askari Shrine in Samarra, Iraq, stands where the house of the 11th Imam Hasan al-Askari and his son Muhammad al-Mahdi once used to be. It contains the mausoleums of al-Askari, and the 10th Imam Ali al-Hadi
The Jamkaran Mosque in Qom, Iran, is belived to be the place where the Mahdi once appeared and offered prayers.