Home Events & Festivals Earth Discovery Day Falls of the Ohio Interpretive Center Twitter Facebook Print About Earth Discovery Day Falls of the Ohio Interpretive CenterThis event features activities for anyone interested in the world beneath your feet. Inside our museum-children's geo-crafts, geological groups with displays, sales, and rock & fossil identification, fascinating speakers, free resources, college geology info, etc. Outside - feel an earthquake with the Indiana Geological survey earthquake simulator! Our fossil and mineral collecting piles will be restocked, special fossil bed hikes, and more! Watch the park web site for details.Event is free with Interpretive Center admission. Admission is $5 for Adults 19 years and older, $2 for Children 18 years and younger.