Etiquettes In Visiting al-Masjid al-Nabawi by Shaykh Mis'ad al-Ḥusaynī (حفطه الله)

Abu Hurairah reported: I heard the Prophet, (ﷺ), say, “Do not undertake a religious journey except to three masjids, Masjid al-Ḥarām, this Masjid, and Masjid al-Aqsa in Jerusalem.”
Source: Sahih Bukhari 1132, Sahih Muslim 1397