Anacostia Park - Includes Kenilworth March, Kenilworth Park and Aquatic Gardens, the Langston Golf Course, ballfields, ball courts, picnic areas and a pavilion for roller skating and special events. Includes news and flora and fauna lists.

Capitol Hill Parks - Provides urban green space for relaxation, aesthetic enjoyment and historic commemoration. Includes Lincoln, Folger, Stanton and Marion Parks as well as several medians, squares and triangles.

Chesapeake & Ohio Canal National Historical Park - Follows the route of the Potomac River from the District to Cumberland, Maryland. Includes original structures, including locks, lock houses and aqueducts. Features educational activities, information for children, news and history.

Fort Dupont Park - Named for the Civil War earthwork located within the park, offering picnic areas, nature walks, Civil War programs, gardening, environmental education, music, skating, sports and youth programs.

A History of National Capital Parks - This 1953 book by Cornelius W. Heine traces the history of the National Capital parks system since 1790. The text is accompanied by illustrations, tables and bibliography from the printed edition. From the National Park Service Web site.

Kenilworth Park & Aquatic Gardens - Includes the gardens, Kenilworth Marsh, ballfields and recreational facilities. Features a satellite program, preschool stories and driving directions.

National Mall - This National Park Service site provides a historical overview of how the National Mall has evolved since 1790, illustrated by a timeline chart. It also has lots of facts and figures about major Mall monuments and memorials, links to monument Web sites and a calendar of events.

President's Park South - Located on the south end of the White House grounds and generally known as The Ellipse. Includes activities and history.

Rock Creek Park - Includes the Nature Center, Planetarium Visitor Center, Old Stone House and Pierce Barn. Includes history, activities, educational programs and information for children.

Washington Parks and People - Non-profit organization dedicated to restoring and enhancing public parks in the National Capital Region. Information on programs, getting involved, events, and special features devoted to Meridian Hill/Malcolm X Park and Watts Branch Park, including photos.

Capitol Hill Parks - Provides urban green space for relaxation, aesthetic enjoyment and historic commemoration. Includes Lincoln, Folger, Stanton and Marion Parks as well as several medians, squares and triangles.

Washington Parks and People - Non-profit organization dedicated to restoring and enhancing public parks in the National Capital Region. Information on programs, getting involved, events, and special features devoted to Meridian Hill/Malcolm X Park and Watts Branch Park, including photos.

Department of Parks and Recreation - Describes recreational facilities and programs, including classes, sports leagues, and child care.

Yahoo! Groups: DCDOG - Working to establish dog parks in the District of Columbia. Message board. Membership required.

National Register Travel Itinerary - Virtual tour of historic buildings via clickable map or list from the National Parks Service. Photographs and histories with visitor information.

University of Texas at Austin: Perry-Castaņeda Map Collection: District of Columbia Maps - Several maps of the city, its parks and monuments, and historical maps.

Strivers Section Historic District (NPS) - National Parks Service description of Strivers' Section, roughly bounded by Swann St. NW on the south; Florida Ave. NW on the north and west; and the 16th Street Historic District on the east.

McMillan Commission Plan for Washington in 1902 - The Senate Parks Commission, chaired by Sen. James McMillan, developed a plan for the Mall and central Washington that is largely responsible for their current appearance. The site has extensive excerpts from the commission report.

Maryland-National Capital Park and Planning Commission - Acquires, develops, maintains and administers a regional system of parks in Montgomery and Prince George's Counties in Maryland.

A History of National Capital Parks - This 1953 book by Cornelius W. Heine traces the history of the National Capital parks system since 1790. The text is accompanied by illustrations, tables and bibliography from the printed edition. From the National Park Service Web site.

Georgetown Historic District (NPS) - National Parks Service description of Georgetown

Marine Barracks Historic Site (NPS) - National Parks Service description of the Marine Barracks, at 9th and M Streets SE

Mount Pleasant Historic District (NPS) - National Parks Service description of Mount Pleasant

Woodley Park Historic District (NPS) - National Parks Service description

LeDroit Park Historic District (NPS) - National Parks Service description of LeDroit Park

Kalorama Triangle Historic District (NPS) - National Parks Service description of Kalorama

Logan Circle Historic District (NPS) - National Parks Service description of Logan Circle