Mound A at the Poverty Point site, Louisiana, USA. A prehistoric site of various earthworks, including ring walls and mounds. The site is a state park and designated as National Monument. This image shows the largest mound, called Bird Mound or Mound A. First uploaded to flickr.com by by H-stt. Created: March 24 2008. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license.