The Tower of Babel story has so much to offer us in terms of moral teachings as well as theological ideas. In addition, these mere 11 verses make for awesome literature when you look at it in its original language. Check out this Genesis 11 exegesis for some thoughts I assembled for a class on Genesis 11.1-11, the “Tower of Babel”.
You learned about it in Sunday School. Maybe its time to take a second, more mature look at it.