PovPt circle-adj Published June 24, 2014 at 1050 × 696 in World Heritage: Will It Really Bring More Tourism to the U.S.? Plastic posts mark where a woodhenge-like structure stood at Poverty Point perhaps 3500 year ago. Photo: Jonathan Tourtellot Plastic posts mark where a woodhenge-like structure stood at Poverty Point perhaps 3500 year ago. Photo: Jonathan Tourtellot