What do 17th Century England, the Devil, aliens and unusual weather patterns all have in common? They're linked to the mysterious and unusual phenomenon we now know as crop circles. What are some of the events from history regarding these most curious and, oftentimes, unsettling monumental creations? What causes them? And of these causes, are any of them definitive? You'll have to listen to find out in this, the final installment on our month-long series on the spooky and mysterious, this week on the 'History Loves Company' podcast!