Shirk is the greatest crime in Islam. It is an unforgivable, damnable offense. In Islam, those who commit shirk are destined to hellfire, forever. Unless of course, they repent before they die. In this article, guest author GotReason makes the case that the role of the Kaaba and the Black Stone lodged within, flirt dangerously close to shirk. Ironically, the biggest sin according to Islam itself.