The sky has clouds and lightning and sun and rainbows and stars and constellations and galaxies and universes and paradoxes and infinite possibilities. As for the sea the Marianas Trench alone is a great mystery. Then you have all that lives below...flora and fauna and other things we do not know exist because they haven't been discovered yet. What is there on earth worth discovering that can possibly compete? We've given it many chances and still it cannot, does not, will not make sense. Perhaps it never was meant to.