12 Ancient Structures in Illinois Scientists Refuse to Study

Some ancient Illinois sites get museums and funding. Others get quietly left alone — too sensitive, too contested, or too inconvenient to dig. From Giant City's stone fort and Lunsford-Pulcher to the Emerald Acropolis, Cahokia's palisade and Monks Mound, we count down twelve ancient Illinois structures that sit understudied, and the real reasons why.