Sahih Muslim 3384
صحيح مسلم#3384SahihAbu Hurairah (Allah be pleased with him) reported it directly from Allah's Apostle (ﷺ) that he said:Do not undertake a journey to visit any Mosque, but three: this Mosque of mine, the Mosque of al-Haram and the Mosque of Aqsa (Bait al-Maqdis)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 15:588