Dr. Ballard explores the history of volcanoes, and life on earth as he travels from the summit of Mauna Kea volcano in Hawaii to the crown of its submerged cousin Loihi, a voyage that spans over 16,000 feet from top to bottom. His trip from the lifeless world above the clouds, through the diverse ecosystems on the mountainside, and into the ocean deep runs the gamut of life on earth.
