The prison of Qara is a huge underground prison built in the reign of Moulay Ismail by a Portuguese architect, Cara, who gained his freedom after constructing it. Such an immense prison was reserved for violators law and opponents of the kingdom. Recently, it’s known many reforms and they are cherished by many visitors. Near the prison of Qara, there is the dome of ambassadors that was a place for receiving foreign ambassadors by Moulay Ismail.