http://www.greatdreams.com/numbers/1111/1111mcc.htm
This crop circle appeared at Lurkeley Hill near East Kennett, Wiltshire on August 17, 2010. While there are several theories as to what it means (including that it could be a hoax), what I find fascinating is how many seem to relate to it somehow. On that website, one of the authors, Joe Mason says, "My view is that the crop formations, UFOs/ETs, etc., are related to the collective unconscious, and similar messages come in dreams."
It does seem that, whomever or whatever is making the crop circles, they do know how to tap into (at least) our personal unconscious. Hopefully, we will be able to draw it out of there and decipher it.