Upcoming Events at Serpent Mound 2nd & 4th Fridays Serpent Mound Archaeology Tour Effective January 2024, Serpent Mound will offer two archaeological tours a month with archaeologist Bill Kennedy on the 2nd and 4th Fridays of each month during the 2024 season. Tours begin at the Serpent Mound Visitor Center at 1:30 p.m. and end … Continue reading Serpent Mound