Walking to Europe

Trans-Atlantic flights may become a thing of the past in about 200 million years. Scientists have discovered a rift at the bottom of the Atlantic Ocean that could signal a new subduction zone that would pull the American and European continents back together, à la Pangea: http://news.nationalgeographic.com/news/2013/06/130619-iberia-america-europe-subduction-zone-supercontinents-colliding/