The National Park Service manages most of the of city land owned by the U.S. government. Rock Creek Park, located in Northwest D.C., is the largest park in the city, with of urban forest extending through a stream valley that bisects the city. Established in 1890, it is the country's fourth-oldest national park and is home to a variety of plant and animal species, including raccoon, deer, owls, and coyotes. Other National Park Service properties include the Chesapeake and Ohio Canal National Historical Park, the National Mall and Memorial Parks, Fort Dupont Park, Meridian Hill Park, Kenilworth Park and Aquatic Gardens, and Anacostia Park. The District of Columbia Department of Parks and Recreation maintains the city's of athletic fields and playgrounds, 40 swimming pools, and 68 recreation centers. The U.S. Department of Agriculture operates the United States National Arboretum, a dense arboretum in Northeast D.C. filled with gardens and trails. Its most notable landmark is the National Capitol Columns monument.