Organization: LEGO Discovery Center Washington, D.C.Location: 6563 Springfield Mall Suite 12004Springfield, VA, 22150United StatesSee map: Google MapsPhone:571-506-4322 LEGO® Summer of Play -ALL NEW EVENT at LEGO Discovery Center Washington, D.C.Dates: 07/08/202507/09/202507/10/2025Show more datesHide these dates07/11/202507/12/202507/13/202507/14/202507/15/202507/16/202507/17/202507/18/202507/19/202507/20/202507/21/202507/22/202507/23/202507/24/202507/25/202507/26/202507/27/202507/28/202507/29/202507/30/202507/31/202508/01/202508/02/202508/03/2025Time: See website Organization: B&O Railroad Museum - Baltimore, MDLocation: 901 W Pratt StBaltimore, MD, 21223United StatesSee map: Google MapsPhone:(410) 752-2490 Blue Star Museums - B&O Railroad MuseumDates: 07/08/202507/09/202507/10/2025Show more datesHide these dates07/11/202507/12/202507/13/202507/14/202507/15/202507/16/202507/17/202507/18/202507/19/202507/20/202507/21/202507/22/202507/23/202507/24/202507/25/202507/26/202507/27/202507/28/202507/29/202507/30/202507/31/202508/01/202508/02/202508/03/202508/04/202508/05/202508/06/202508/07/202508/08/202508/09/202508/10/202508/11/202508/12/202508/13/202508/14/202508/15/202508/16/202508/17/202508/18/202508/19/202508/20/202508/21/202508/22/202508/23/202508/24/202508/25/202508/26/202508/27/202508/28/202508/29/202508/30/202508/31/202509/01/2025Time: 10 am - 4 pm Organization: Annmarie Sculpture Garden & Arts Center - Solomons, MDLocation: 13470 Dowell RoadSolomons, MD, 20688United StatesSee map: Google MapsPhone:(410) 326-4640 Enchanted Summer at Annmarie Sculpture Garden & Arts CenterDates: 07/08/202507/09/202507/10/2025Show more datesHide these dates07/11/202507/12/202507/13/202507/14/202507/15/202507/16/202507/17/202507/18/202507/19/202507/20/202507/21/202507/22/202507/23/202507/24/202507/25/202507/26/202507/27/202507/28/202507/29/202507/30/202507/31/202508/01/202508/02/202508/03/202508/04/202508/05/202508/06/202508/07/202508/08/202508/09/202508/10/202508/11/202508/12/202508/13/202508/14/202508/15/202508/16/202508/17/202508/18/202508/19/202508/20/202508/21/202508/22/202508/23/202508/24/202508/25/202508/26/202508/27/202508/28/202508/29/202508/30/202508/31/202509/01/2025Time: During regular non-event visiting hours Organization: National Children's MuseumLocation: 1300 Pennsylvania Ave NWWashington, DC, 20004United StatesSee map: Google Maps STEAM Story Time at National Children's MuseumDates: 07/09/202507/16/202507/23/2025Show more datesHide these dates07/30/2025Time: 2:30 pm - 3 pm Organization: B&O Railroad Museum - Baltimore, MDLocation: 901 W Pratt StBaltimore, MD, 21223United StatesSee map: Google MapsPhone:(410) 752-2490 It’s $10 Admission Day at the B&O!Dates: 07/09/202508/13/202509/10/2025Show more datesHide these dates10/08/202511/12/2025Time: 10:00AM - 4:00PM Organization: B&O Railroad Museum - Baltimore, MDLocation: 901 W Pratt StBaltimore, MD, 21223United StatesSee map: Google MapsPhone:(410) 752-2490 Mile One Express Train Ride at B&O Railroad MuseumDates: 07/09/202507/10/202507/11/2025Show more datesHide these dates07/12/202507/13/202507/17/202507/18/202507/19/202507/20/202507/24/202507/25/202507/26/202507/27/202507/31/202508/01/202508/02/202508/07/202508/08/202508/09/202508/10/202508/13/202508/14/202508/15/202508/16/202508/17/202508/21/202508/22/202508/23/202508/24/202508/28/202508/29/202508/30/202508/31/202509/01/202509/04/202509/05/202509/06/202509/07/202509/10/202509/11/202509/12/202509/13/202509/14/202509/18/202509/19/202509/20/202509/21/202509/25/202509/26/202509/27/202509/28/202510/02/202510/03/202510/04/202510/05/202510/08/202510/09/202510/10/202510/11/202510/12/202510/16/202510/17/202510/18/202510/19/202510/23/202510/24/202510/25/202510/26/202510/30/202510/31/202511/01/202511/02/202511/06/202511/07/202511/08/202511/09/202511/12/202511/13/202511/14/202511/15/202511/16/202511/20/202511/21/202511/22/202511/23/202511/27/202511/28/202511/29/202511/30/2025Time: Times vary Organization: Mashantucket Pequot Museum & Research CenterLocation: 110 Pequot TrailMashantucket, CT, 06338United StatesSee map: Google MapsPhone:(800) 411-9671 Tahshayooôk & Neetôpáwak (Family & Friends) Days at Mashantucket Pequot Museum & Research CenterDates: 07/09/202507/10/202507/11/2025Show more datesHide these dates07/12/202507/16/202507/17/202507/18/202507/19/202507/23/202507/24/202507/25/202507/26/202507/30/202507/31/202508/01/202508/02/202508/06/202508/07/202508/08/202508/09/202508/13/202508/14/202508/15/202508/16/202508/20/202508/21/202508/22/202508/23/202508/27/202508/28/202508/29/202508/30/2025Time: 9 am - 5 pm Organization: National Building MuseumLocation: 401 F Street NWWashington, DC, 20001United StatesSee map: Google MapsPhone:202.272.2448 STEAM Saturday at National Building MuseumDates: 07/12/202508/09/202509/13/2025Time: 1 pm - 3 pm Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 The World & Me: Caring for the Future of our Planet with Company E and Sound Impact at NMNH Dates: 07/12/2025Time: 10 am - 12 pm Organization: Calvert Marine Museum - Solomons, MDLocation: 14200 Solomons Island RoadSolomons, MD, 20688United StatesSee map: Google MapsPhone:410-326-2042 Creature Feature at Calvert Marine MuseumDates: 07/13/202508/10/202509/14/2025Time: 10:15 am - 11:15 am Organization: B&O Railroad Museum - Baltimore, MDLocation: 901 W Pratt StBaltimore, MD, 21223United StatesSee map: Google MapsPhone:(410) 752-2490 Ice Cream Sundays on the Mile One Express - B&O Railroad MuseumDates: 07/13/202508/10/2025Time: Train ride departs from Platform 2 at 12:30 PM Organization: B&O Railroad Museum - Baltimore, MDLocation: 901 W Pratt StBaltimore, MD, 21223United StatesSee map: Google MapsPhone:(410) 752-2490 B&O Unlocked: WM No.195 SwitcherDates: 07/16/202507/19/202507/20/2025Time: Tours will be available between 10 AM – 4 PM Visit on Wednesday, July 16 for $10 Admission Day! Organization: Annmarie Sculpture Garden & Arts Center - Solomons, MDLocation: 13470 Dowell RoadSolomons, MD, 20688United StatesSee map: Google MapsPhone:(410) 326-4640 Insectival! - Annmarie Sculpture Garden & Arts CenterDates: 07/19/2025Time: 9 am - 1 pm Organization: Port Discovery Children’s MuseumLocation: 35 Market PlaceBaltimore, MD, 21202United StatesSee map: Google MapsPhone:410-727-8120 Dream Big, Play More! Summer Camp at Port DiscoveryDates: 07/28/202507/29/202507/30/2025Show more datesHide these dates07/31/202508/01/202508/04/202508/05/202508/06/202508/07/202508/08/202508/11/202508/12/202508/13/202508/14/202508/15/202508/18/202508/19/202508/20/202508/21/202508/22/2025Time: Camp Hours: 9am – 4pm Drop off: 8:45am – 9:00am Pick up: 4:00pm-4:15pm *There is a $50 daily late fee for pick-up after 4:15pm. Organization: Howard County FairLocation: 2210 Fairgrounds RoadWest Friendship, MD, 21794-9604United StatesSee map: Google MapsPhone:(410) 442-1022 Annual Howard County FairDates: 08/02/202508/03/202508/04/2025Show more datesHide these dates08/05/202508/06/202508/07/202508/08/202508/09/2025Time: See website Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 The World & Me: Life ON and IN the Ocean! at NMNH Dates: 08/02/2025Time: 10 am - 12 pm Organization: B&O Railroad Museum - Baltimore, MDLocation: 901 W Pratt StBaltimore, MD, 21223United StatesSee map: Google MapsPhone:(410) 752-2490 Sensory Sundays at the B&O Railroad Museum!Dates: 08/03/202510/05/2025Time: See Website Organization: Museum of the BibleLocation: 400 4th St. SWWashington, DC, 20024United StatesSee map: Google Maps Family Fun Day at Museum of the BibleDates: 08/04/2025Time: 10am-3pm Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 Play Date at NMNH: At Home in a HabitatDates: 08/05/2025Time: 10:30 am - 12 pm Organization: Montgomery County Agricultural Fair, MDLocation: 501 Perry ParkwayGaithersburg, MD, 20877United StatesSee map: Google MapsPhone:(301) 926-3100 2025 Montgomery County Agricultural FairDates: 08/08/202508/09/202508/10/2025Show more datesHide these dates08/11/202508/12/202508/13/202508/14/202508/15/202508/16/2025Time: See website Organization: Annmarie Sculpture Garden & Arts Center - Solomons, MDLocation: 13470 Dowell RoadSolomons, MD, 20688United StatesSee map: Google MapsPhone:(410) 326-4640 Food Truck Fridays at Annmarie Sculpture Garden & Arts CenterDates: 08/08/202508/22/202510/10/2025Show more datesHide these dates10/24/2025Time: 5 pm - 7 pm Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 Play Date at NMNH: World Elephant Day!Dates: 08/12/2025Time: 10:30 am - 12 pm Organization: Arlington County FairLocation: 3501 2nd Street South Arlington, VA, 22204United StatesSee map: Google MapsPhone:703-829-7471 Arlington County Fair 2025Dates: 08/13/202508/14/202508/15/2025Show more datesHide these dates08/16/202508/17/2025Time: See website Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 Play Date at NMNH: World Orangutan Day!Dates: 08/19/2025Time: 10:30 am - 12 pm Organization: B&O Railroad Museum - Baltimore, MDLocation: 901 W Pratt StBaltimore, MD, 21223United StatesSee map: Google MapsPhone:(410) 752-2490 B&O Unlocked: B&O No. B-29 Jordan SpreaderDates: 08/20/202508/23/202508/24/2025Time: Tours will be available between 10 AM – 4 PM Organization: Museum of the BibleLocation: 400 4th St. SWWashington, DC, 20024United StatesSee map: Google Maps Family Fun Day: C.S. Lewis Dates: 08/25/2025Time: 10am-3pm Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 Play Date at NMNH: Dive into the Deep SeaDates: 08/26/2025Time: 10:30 am - 12 pm Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 Play Date at NMNH: Little BeastsDates: 09/02/2025Time: 10:30 am - 12 pm Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 Play Date at NMNH: Volcanic ExplorationsDates: 09/09/2025Time: 10:30 am - 12 pm Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 Play Date at NMNH: Investigating InsectsDates: 09/16/2025Time: 10:30 am - 12 pm Location: Museum of the Bible400 4th St. SWWashington , DC, 20024United StatesSee map: Google Maps Homeschool Day: C.S. LewisDates: 09/18/2025Time: 10am-3pm Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 Play Date at NMNH: Colorful CoralsDates: 09/23/2025Time: 10:30 am - 12 pm Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 Play Date at NMNH: Mighty Megalodon!Dates: 09/30/2025Time: 10:30 am - 12 pm
