Our Bible study group is currently doing "Here and Now - Then and There: A Study of Revelation" by Beth Moore. Each day we are to ask God to reveal himself to us, and then we are to briefly journal telling how God has done just that throughout the week.
For quite sometime, God has been revealing bits and pieces of his greatness to me. Last week I had a dream (I will not share the details) but the message he was reinforcing to me was that I am to let him "out of the box". My faith is too structured, too "in the box", too ordinary. He can be anything he needs to be, do anything he needs to do, go anywhere he needs to go in order to reveal himself to us, to reach us, to work miracles on our behalf. We have a tendency to wrap the Almighty in flawed flesh -- just like us. He, however, is far greater than our minds can comprehend. He has been gracious enough to give us small glimpses of his greatness, his power and his brilliance via his creation all around us, under our feet and above our heads.
Chris Tomlin wrote a song a few years ago that addresses God's greatness. Our God IS indescribable! Enjoy.