The earliest known record of crop circles is more than 300 years old. Today, more than 10,000 have been recorded around the world. Learn more in Investigating Crop Circles, a World's Greatest Mysteries book.
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The earliest known record of crop circles is more than 300 years old. Today, more than 10,000 have been recorded around the world. Learn more in Investigating Crop Circles, a World's Greatest Mysteries book.
Read Less