You never know what you'll find in your backyard...literally. A new exhibit opened at Tyler's Discovery Science Place, called the "Pre-Historic Worlds-Backyard Discoveries"...is an interactive journey that will take you through some amazing archeological findings plucked right from some folks backyards. One of the most mesmerizing discoveries is a 20 thousand year old Wooly Mammoth that was chiseled out of a 23 ton block of permafrost in someone's backyard in Siberia. The exhibit will be in Tyler until January 12th. The cost is five dollars per person.