Beijing David's Deer Park Museum, in Nanhaizi, Daxing County, Beijing, is a research organization for the protection of the David's deer. It is also an outdoor ecological museum. During the Yuan (1271-1368), Ming (1368-1644), and Qing (1644-1911) dynasties, the park served as the imperial hunting ground. The History of the David's Deer Exhibition, a must-see, comprises a natural and cultural history of the David's deer, as well as the history of the park, and accompanying artifacts.