Sunan At-Tirmidhi

Abu Sa'eed Al-Khudri narrated that :Allah's Messenger said: ""A mount is not saddled (for a journey) except to three Masajid: Al-Masjid Al-Haram, this Masjid of mine, and Masjid Al-Aqsa."" [Abu `Eisa said:] This Hadith is Hasan Sahih