Ata (may Allah have mercy on him) said that Sayyiduna Abdullah bin al-Zubayr (may Allah be pleased with him) addressed us and said: the Messenger of Allah (peace and blessings be upon him) said: "One prayer in this mosque of mine is better than a thousand prayers in all other mosques except al-Masjid al-Haram."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 13867