Alasdair Wilkins on io9.com has a great post about the past and future of our planet’s continents. Definitely worth a read:
Earth’s continents are constantly changing, moving and rearranging themselves over millions of years — affecting Earth’s climate and biology. Every few hundred million years, the continents combine to create massive, world-spanning supercontinents.
Here’s the past and future of Earth’s supercontinets.