What if we could pull the plug and drain the planet's water? What would we see? What would we learn? Follow NGC on a virtual scientific expedition to the deep as we explore one of earth's last great frontiers. We'll remove the water using CGI animation, revealing a landscape of unimaginable scale with unexpected features more dramatic than anything on dry land. With the very latest scientific data and digital mapping, discover the deepest canyons and biggest mountains on the planet.