There are more active volcanoes beneath the sea than on land by two orders of magnitude.
Robert BallardAlmost a quarter of our planet is a single mountain range and we didn't enter it until after Neil Armstrong and Buzz Aldrin went to the moon. So we went to the moon, played golf up there, before we went to the largest feature on our own planet.
Robert BallardThe deep sea is the largest museum on earth, it contains more history than all the museums on land combined, and yet we're only now penetrating it.
Robert Ballard