David Peeples sent me this amazing link today which I was compelled to post here despite my vows to abstain from this type of blogging on PMB.
Of course, crop circles come to mind... but, rest assured, there's nothing inherently paranormal in the snow circles' creation...(but, then again, define paranormal!) They were, in fact, created by one man wearing snowshoes! No BS. The man's name is Simon Beck, and he and his work can be found here.