It wasnarrated that Maimunah the freed (female) slave of the Prophet(ﷺ)said:
I said: "O Messenger of Allah, tell us about Baitil-Maqdis."He said: "It is the land of the Resurrection and theGathering. Goand pray there, for one prayer there is like onethousand prayerselsewhere." I said: "What if I cannot travel and gothere?" Hesaid: "Then send a gift of oil to light its lamps, forwhoever doesthat is like one who goes there." (ID)
English reference (ID): Vol. 1, Book 5, Hadith 1407 (ID)
Arabic reference (ID): Book 5, Hadith 1472 (ID)