One should undertake journey to three mosques: the mosque of the Ka'ba, my mosque, and the mosque of Elia (Bait al-Maqdis).
أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ إِنَّمَا يُسَافَرُ إِلَى ثَلاَثَةِ مَسَاجِدَ مَسْجِدِ الْكَعْبَةِ وَمَسْجِدِي وَمَسْجِدِ إِيلِيَاءَ