Copy and paste this location into the search box:
31 15'15.53N 24 15'30.53W
Select "Satellite" Image ... upper right corner, and zoom in as close as you can. You should see something that looks like the photo to the right. (Click for larger.)
You are looking at the Atlantic Ocean off the coast of North Africa.
This article says that the rectangle you see, which is underwater, is about the size of Wales. Any ideas?