Enjoy, Explore and Learn. Step back in time to enjoy the history of Clarendon County and its early settlers. Explore the artifacts and displays highlighting agriculture, timber Industry, Native Americans, Historic Richardson Cemetery, military history, Santee Cooper Lakes, Landmark School integration case and much more. Learn about the contributions of Clarendon County’s past citizens and communities. Our museum is a history museum unique to Clarendon County. Admission is free. We are located adjacent to the Manning Commercial Historic District, which includes the Clarendon County Court House and other buildings of interest. The Museum is operated by the Clarendon County Historical Society, a non-profit organization.