Upcoming Events at Serpent Mound October 24, 2025 Serpent Mound Archaeology Tour Effective January, Serpent Mound will offer two archaeological tours a month with archaeologist Bill Kennedy on the 2nd and 4th Fridays of each month during the 2025 season. Tours begin… November 14, 2025 Serpent Mound Archaeology Tour Effective January, Serpent Mound will offer … Continue reading Serpent Mound