The Kaaba - Saudi Arabia ~ Great Mosque in Mecca - to be the most sacred spot on earth. Muslim legend teaches that the ancient religious patriarchs Ibrahim and Ismail built the shrine using foundations first laid by Adam.
Al-Masjid al-Nabawi ( المسجد النبوي "Mosque of the Prophet"), is a mosque situated in the city of Medina. As the final resting place of the Islamic prophet Hazrat Muhammad(P.B.U.H), it is considered the second holiest site in Islam by Muslims (the first being the Masjid al-Haram in Mecca) and is one of the largest mosques in the world. It is the second mosque built in history.