(1) باب فَضْلِ الصَّلاَةِ فِي مَسْجِدِ مَكَّةَ وَالْمَدِينَةِ
Narrated Abu Huraira:
The Prophet (ﷺ) said, "Do not set out on a journeyexcept for three Mosques i.e. Al-Masjid-AI-Haram, the Mosque of Allah's Messenger (ﷺ) , and the Mosque of Al-Aqsa, (Mosque of Jerusalem)."
Reference: Sahih al-Bukhari 1189
In-book reference: Book 20, Hadith 2
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 21, Hadith 281