Serpent Mound

  • Uploaded by Vulcanic on Apr 12, 2009
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Serpent Mound is a massive earthwork depicting an uncoiling serpent and is the largest and finest effigy mound in the United States. Spanning nearly 1,300 feet in length, it is thought to be constructed by the Fort Ancient culture more than 1,000 years ago. Today, it is a National Historic Landmark.

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