Organization: National Park ServiceLocation: 1849 C St NWWashington, DC, 20240United StatesSee map: Google MapsPhone:202-208-6843 2025 Free Entrance Days in the National ParksDates: 01/20/202504/19/202506/19/2025Show more datesHide these dates08/04/202509/27/202511/11/2025Time: See website for details. Organization: Location: 2500 Martin Luther King, Jr. Ave., SEWashington, DC, 20032United StatesSee map: Google Maps 20th Annual DC Dr. Martin Luther King, Jr. Peace Walk and ParadeDates: 01/18/2025Time: 9:00AM Organization: City of Rockville, MDLocation: 111 Maryland Ave.Rockville, MD, 20850United StatesSee map: Google MapsPhone:240-314-5000 Martin Luther King Jr. Celebration - City of Rockville, MDDates: 01/13/202501/14/202501/15/2025Show more datesHide these dates01/16/202501/17/202501/18/202501/19/202501/20/2025Time: See website for details Martin Luther King, Jr. Memorial - D.C. MLK Holiday DC Organization: Frying Pan Farm Park - Herndon, VALocation: 2709 West Ox RoadHerndon, VA, 20171United StatesSee map: Google MapsPhone:(703) 437-9101 MLK Service and Learning Day at Frying Pan FarmDates: 01/20/2025Time: 10:30 am