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: 04/19/202506/19/202508/04/2025Show more datesHide these dates09/27/202511/11/2025Time: See website for details. Organization: Edsel & Eleanor Ford HouseLocation: 1100 Lake Shore RoadGrosse Pointe Shores, MI, 48236United StatesSee map: Google MapsPhone:3138844222 Customer Appreciation Day | Edsel & Eleanor Ford HouseDates: 04/05/2025Time: 10AM - 7PM Organization: Troy Historic VillageLocation: 60 W. Wattles RoadTroy, MI, 48098United StatesSee map: Google MapsPhone:248-524-3570 Troy Historic Village: Open LateDates: 04/04/2025Time: 4:00PM