• Washington State Park - De Soto MO
    "Washington State Park is a Missouri state park in the central eastern part of Missouri containing native American rock carvings. These carvings, or petroglyphs, carved in dolomite rock, are believed to have been made around 1000 to 1600 and give clues to the lives of the prehistoric native Americans who once inhabited this part of Missouri. It is also believed that the park served as ceremonial grounds for these Middle Mississippi people who were related to the builders of the Cahokia Mounds in Illinois. "Most of the carvings are of birds, arrows, footprints, turkey tracks, human figures, and various geometric shapes...