Celebrate Archaeology Day 2022 at Graham Cave State Park
Celebrate Archaeology Day 2022 from 10 a.m. to 2 p.m. Saturday, Sept. 17, at Graham Cave State Park. Everyone is encouraged to celebrate at Missouri’s most significant early archaeological cave. On Jan. 20, 1961, Graham Cave became the first archaeological site in the United States to be designated a National Historical Landmark. The day kicks