4 mile Rock Creek

Fort DeRussy was an American Civil War-era fortification constructed in 1861 on a hilltop along the west bank of Rock Creek within Washington, D.C., as part of the Defenses of Washington.

Pinehurst Branch is a tributary stream of the Potomac River in Washington, D.C., United States.

Barnaby Woods is a neighborhood in the Northwest quadrant of Washington, D.C., wedged between Rock Creek Park and Montgomery County, Maryland. It is bounded on the north by Aberfoyle Place, on the west by Western Avenue, on the south by Tennyson Street, and on the east by Oregon Avenue. Barnaby Woods is entirely residential, with no commercial zoning whatsoever, and the housing consists primarily of 1930s colonial homes on large parcels of land although on Unicorn Lane NW there are only townhouses.

The Joaquin Miller Cabin is an historic structure situated in Washington, DC's Rock Creek Park. Built by the American poet, essayist and fabulist Joaquin Miller, it represents the only known example of late 19th century Rustic-style log cabin in Washington, D.C. It is a Classified Structure within Rock Creek Park.