Have you ever wondered just how old is that trilobite fossil you’ve had in your attic for decades? Are you curious about the oldest piece of natural history in our collection? Come out to the Ohio History Center to learn more! Join our curatorial team, with special guest Dale Gnidovec of the Orton Geological Museum, as we help our visitors to determine what it is they think they have in their own personal collection. Do you have something at home that you think is part of Ohio’s natural history or archaeological past? Let’s work together to solve those history mysteries!