Atlantis: lost, found, lost again

Google shoots down 'Atlantis' pictures

You'd think that we'd have found an entire submerged continent by this point if it really existed.  Of course, sometimes there really are lost shipwrecks filled with gold.  And Google's new ocean-mapping tool has opened up some great new options-- including speculation that a rectangle approximately the size of Wales (of all places) was actually Atlantis.  Turns out, it's not:

"Bathymetric (or seafloor terrain) data is often collected from boats using sonar to take measurements of the seafloor. The lines reflect the path of the boat as it gathers the data," Google said.