The first house of worship established for people was the one in Bakka. It is blessed and a source of guidance to humanity.
Psalm 84:4-6 Blessed are those who dwell in your house; they are ever praising you. 5 Blessed are those whose strength is in you, whose hearts are set on pilgrimage. 6 As they pass through the Valley of Baka, they make it a place of springs;
Kaskas, Safi. The Qur’an – with References to the Bible: A Contemporary Understanding . Bridges to Common Ground. Kindle Edition.