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: 06/19/202508/04/202509/27/2025Show more datesHide these dates11/11/2025Time: See website for details. Organization: Detroit Historical MuseumLocation: 5401 WoodwardDetroit, MI, 48202United StatesSee map: Google MapsPhone:(313) 833-1805 Earth Day at Detroit Historical MuseumDates: 04/26/2025Time: 10:00 AM – 5:00 PM Organization: Cranbrook Art MuseumLocation: 39221 Woodward Ave Box 801Bloomfield Hills, MI, 48303United StatesSee map: Google MapsPhone:248-645-3323 Free Mini-Golf at Cranbrook Art Museum on Mother's Day WeekendDates: 05/10/202505/11/2025Time: 10am-5pm
