20: Lost City of Atlantis

The freezing, frigid, frosty ice caps of Antarctica only allow the most adaptive animals to survive its conditions. Without a thick layer of blubber or a group of friends to huddle with, not many survive. Although this continent might be one of the cruelest places on Earth, it also tells us about the health of the planet. One of the harshest places to survive is also the greatest mirror to our own survival.