The other night my Dad made a watermelon gazpacho type soup. It was so unexpectedly good. I tried to find a recipe that is similar to it and this is the closest thing I could find.
http://www.chow.com/recipes/10636-watermelon-gazpacho
My family is very protective of recipes so I am sure if I did get it I would not be able to post it for all the world to see.