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. African American Museum in Philadelphia Location: Various LocationsVariousPhiladelphia, PA, 19102United StatesSee map: Google MapsPhone:1-800-942-2677 Martin Luther King Jr. Day of Service - AmeriCorpsDates: 01/20/2025Time: All day Organization: Museum of the American RevolutionLocation: 101 South Third StreetPhiladelphia, PA, 19106United StatesSee map: Google Maps Martin Luther King Jr. Weekend 2025 at the MuseumDates: 01/18/202501/19/202501/20/2025Time: 10 am - 5 pm
