Pierce-Klingle Mansion

The Pierce-Klingle Mansion, also known as Linnaean Hill, is a historic house located in Rock Creek Park, Washington, D.C. Built in 1823 by horticulturist Joshua Pierce, the mansion is notable for its Pennsylvania Dutch farmhouse architecture and rich history, including visits from prominent figures like Senators Daniel Webster and John C. Calhoun. The house features thick granite walls, original poplar paneling, and a large fireplace. It has been part of the National Register of Historic Places since 1973 and has served various purposes over the years, including a residence and administrative offices. Visitors can explore its unique architectural features and the surrounding park, making it a fascinating stop for tourists and researchers alike.