 and sail through the Drake Shakes, otherwise known as the Drake Passage, to get to Antarctica. However, a number of cruise lines, Silversea among them, have started an air bridge that will fly you from either Santiago or Ushuaia all the way down to King George Island. And that eliminates the ordeal of the Drake Shakes. For those of you who don't understand the Drake Passage, it can be some of the roughest water in the world