Graeme Park is a 42 acre of historic park which was constructed in 1722 by Sir William Keith which includes the Keith House, which is the only surviving residence of a colonial-era Pennsylvania Governor. This mansion has remained intact since the late 18th century. Whilst on a visit to this park, visitors get to see nature trails, can bring along a picnic lunch box, and visit the Keith House where there is display of historic people who had visited the place. These include politicians, loyalists, physicians, writers, patriots and even poets. The natural wetlands and fields that are adjacent to the park are home to many kinds of wildlife and harbor lots of native wild plants. On an early visit to the park, one can spot Wild Turkey, Great Blue Herons, Kingfishers and many kinds of White Tail Deer, Hawks and a wide variety of amphibians and reptiles. The park is administered by the Pennsylvania Historical and Museum Commission in Horsham.