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: Black Barn AlpacasLocation: 2401 Bollinger Mill RdFinksburg, MD, 21048United StatesSee map: Google MapsPhone:(301) 284-0361 Alpaca Meet & TreatDates: 02/16/202502/17/202502/22/2025Time: 12 pm Location: Clearwater Nature Center - MD11401 Thrift RdClinton, MD, 20735United StatesSee map: Google MapsPhone:301-699-2255 Animal Encounters at Clearwater Nature CenterDates: 03/02/202505/03/202506/07/2025Show more datesHide these dates07/06/202508/16/2025Time: 1 pm - 1:45 pm Organization: Nature ForwardLocation: 8940 Jones Mill RdChevy Chase, MD, 20815United StatesSee map: Google Maps Bilingual Family Walk at Woodend (English/Spanish) - Nature ForwardDates: 02/15/2025Time: 9:30 am - 10:30 am Organization: Leesburg Animal ParkLocation: 19246 James Monroe HighwayLeesburg, VA, 20175United StatesSee map: Google MapsPhone:(703)433-0002 BOGO Friday! at Leesburg Animal ParkDates: 02/14/202502/21/202502/28/2025Time: 10 am - 4 pm Organization: The Maryland Zoo in BaltimoreLocation: One Safari Place Baltimore, MD, 21217United StatesSee map: Google MapsPhone:410-396-7102 Breakfast with the Animals at the Maryland ZooDates: 03/29/202503/30/202504/13/2025Show more datesHide these dates05/03/202505/10/202505/11/202505/17/202505/18/202505/31/202506/07/202506/14/202506/15/202506/21/202506/28/202507/12/202507/13/202508/23/202508/24/202508/30/202508/31/202509/06/202509/07/202509/14/202509/20/202510/04/202510/05/202510/18/202510/19/2025Time: See website for details. Location: Meadowlark Botanical Gardens9750 Meadowlark Gardens Court ViennaVA, VA, 22182United StatesSee map: Google MapsPhone:703-359-4601 Camp GrowDates: 06/16/202508/15/2025Time: 9:00 AM-4:00 PM Location: Potomac Overlook Regional Park2845 N. Marcey RoadArlington, VA, 22207United StatesSee map: Google MapsPhone:703-359-4601 Camp OverlookDates: 06/16/202508/15/2025Time: 9:00am-4:00pm Location: Winkler Botanical Preserve5400 Roanoke AveAlexandria, VA, 22311United StatesSee map: Google MapsPhone:703-359-4601 Camp WinklerDates: 06/23/202508/15/2025Time: 9:00am-4:00pm Location: Burke Lake Park - Fairfax Station, VA 7315 Ox RdFairfax Station, VA, 22039United StatesSee map: Google MapsPhone:703-324-8700 Campfire Saturdays - Stargazing at Burke Lake ParkDates: 02/15/2025Time: 5:30 pm Organization: Prince George's Parks & Recreation - MDLocation: 6600 Kenilworth AvenueRiverdale, MD, 20737United StatesSee map: Google MapsPhone:301-699-2255 Clearwater Ex-TerminatorsDates: 02/14/202502/15/202502/16/2025Show more datesHide these dates02/17/202502/18/202502/19/202502/20/202502/21/202502/22/202502/23/202502/24/202502/25/202502/26/202502/27/202502/28/2025Time: Timing is flexible - see website Organization: Hidden Oaks Nature CenterLocation: 7701 Royce StreetAnnandale, VA, 22003United StatesSee map: Google MapsPhone:703-941-1065 Dinosaur Egg Hunt at Hidden Oaks Nature CenterDates: 04/05/202504/06/2025Time: 4/5 - Multiple sessions available throughout the day starting at 9:15 am 4/6 - Multiple sessions available throughout the day starting at 10:30 am Location: Ellanor Lawrence Park - Chantilly, VA5040 Walney RdChantilly, VA, 20151United StatesSee map: Google MapsPhone:703-324-8700 Drill like a Soldier at Ellanor C. Lawrence ParkDates: 02/15/2025Time: 2 pm Location: ONLINE ONLYEarth in Crisis: Fire!Dates: 04/24/2025Time: 6 pm Location: ONLINE ONLYEarth in Crisis: How Earth’s History Shaped Modern ClimateDates: 03/20/2025Time: 6 pm Location: Clearwater Nature Center - MD11401 Thrift RdClinton, MD, 20735United StatesSee map: Google MapsPhone:301-699-2255 Family Campfire at Clearwater Nature CenterDates: 03/14/202505/09/2025Time: 5:30 pm - 7 pm Organization: Loudoun Heritage Farm MuseumLocation: 21668 Heritage Farm LaneSterling, VA, 20164United StatesSee map: Google MapsPhone:571-258-3800 Family Discovery Days at Loudoun Heritage Farm MuseumDates: 03/08/2025Time: 1:00, 1:30, 2:00 and 2:30pm Organization: Science History InstituteLocation: 315 Chestnut StreetPhiladelphia, PA, 19106United StatesSee map: Google MapsPhone:215-925-2222 First Friday: Diving into Ocean ScienceDates: 04/04/2025Time: 5:00pm Organization: Hidden Oaks Nature CenterLocation: 7701 Royce StreetAnnandale, VA, 22003United StatesSee map: Google MapsPhone:703-941-1065 Flying Squirrel Campfire at Hidden Oaks Nature CenterDates: 02/23/2025Time: 7 pm Organization: Potomac Overlook Regional ParkLocation: 2845 N. Marcey RoadArlington, VA, 22031United StatesSee map: Google MapsPhone:703-528-5406 Frog FrenzyDates: 02/22/2025Time: 2-3pm Location: Black Hill Discovery Center at Montgomery Parks20926 Lake Ridge DriveBoyds, MD, 20841United StatesSee map: Google MapsPhone:(301) 495-2595 Harpists at the Discovery Center at Black Hill Discovery CenterDates: 02/16/2025Time: 12 pm - 1 pm Location: Burke Lake Park - Fairfax Station, VA 7315 Ox RdFairfax Station, VA, 22039United StatesSee map: Google MapsPhone:703-324-8700 How to Say 'Be Mine' in the Animal World at Burke Lake ParkDates: 02/16/2025Time: 10:30 am Organization: Falling Creek CampLocation: 816 Falling Creek Camp Rd.Zirconia, NC, 28790United StatesSee map: Google MapsPhone:828-692-0262 Kickoff May Father/Son Weekend at Falling Creek CampDates: 05/09/202505/10/202505/11/2025Time: 5:00PM Organization: Hidden Oaks Nature CenterLocation: 7701 Royce StreetAnnandale, VA, 22003United StatesSee map: Google MapsPhone:703-941-1065 Little Acorns at Hidden Oaks Nature CenterDates: 02/24/2025Time: Sessions available starting at 9:45 am and 11 am Organization: Brookside Nature Center Location: 1400 Glenallan Ave.Wheaton, MD, 20902United StatesSee map: Google MapsPhone:301-962-1480 Little Explorers at Brookside Nature CenterDates: 02/19/2025Time: 10:30 am - 11:15 am Organization: Falling Creek CampLocation: 816 Falling Creek Camp Rd.Zirconia, NC, 28790United StatesSee map: Google MapsPhone:828-692-0262 May Father/Son Weekend 1 at Falling Creek CampDates: 05/16/202505/17/202505/18/2025Time: 8:00AM Organization: Falling Creek CampLocation: 816 Falling Creek Camp Rd.Zirconia, NC, 28790United StatesSee map: Google MapsPhone:828-692-0262 May Father/Son Weekend 2 at Falling Creek CampDates: 05/23/202505/24/202505/25/2025Time: 8:00AM Organization: Prince George's Parks & Recreation - MDLocation: 6600 Kenilworth AvenueRiverdale, MD, 20737United StatesSee map: Google MapsPhone:301-699-2255 Nature in Your Backyard - Community Days - Prince George's Parks & RecreationDates: 04/05/202504/12/202504/19/2025Show more datesHide these dates04/26/2025Time: 11 am - 2 pm Location: Clearwater Nature Center - MD11401 Thrift RdClinton, MD, 20735United StatesSee map: Google MapsPhone:301-699-2255 Nature Knowledge at Clearwater Nature Center (Age: 9-14)Dates: 03/07/202504/04/202505/02/2025Time: 1 pm - 2:30 pm Organization: Nature Preschool - Nature Forward Location: 8940 Jones Mill Road Chevy Chase, VA, 20815United StatesSee map: Google MapsPhone:+1 301-652-9188 Nature Preschool at Woodend Open HouseDates: 02/21/2025Time: 10 am - 12 pm Location: Canyon of the Eagles Lodge16942 Ranch Road 2341Burnet, TX, 78611United StatesSee map: Google MapsPhone:(206) 819-5709 Pinhole Photography - Family Science Camps - Spring Break 2025Dates: 03/16/202504/13/2025Time: 9:30AM-5:00PM 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: 02/18/2025Time: 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: Cambrian CrittersDates: 03/25/2025Time: 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: Colorful CoralsDates: 02/25/2025Time: 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: Save a Spider Day!Dates: 03/11/2025Time: 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: Teeth in the OceanDates: 03/18/2025Time: 10:30 am - 12 pm Location: Black Hill Discovery Center at Montgomery Parks20926 Lake Ridge DriveBoyds, MD, 20841United StatesSee map: Google MapsPhone:(301) 495-2595 Play Day in the Park at Black Hill Discovery CenterDates: 02/28/2025Time: 11 am - 12 pm Organization: Black Barn AlpacasLocation: 2401 Bollinger Mill RdFinksburg, MD, 21048United StatesSee map: Google MapsPhone:(301) 284-0361 Premier Alpaca Experience - All AgesDates: 02/14/202502/15/202502/16/2025Show more datesHide these dates02/20/202502/21/202502/22/202502/23/202502/27/202502/28/202503/01/202503/02/202503/06/202503/07/202503/08/202503/09/202503/13/202503/14/202503/15/202503/16/202503/20/202503/21/202503/22/202503/23/202503/27/202503/28/202503/29/202503/30/2025Time: 10 am Location: Black Hill Discovery Center at Montgomery Parks20926 Lake Ridge DriveBoyds, MD, 20841United StatesSee map: Google MapsPhone:(301) 495-2595 Preschool in the Park at Black Hill Discovery CenterDates: 02/18/202502/20/202502/25/2025Show more datesHide these dates02/27/202503/04/202503/06/202503/11/202503/13/202503/18/202503/20/202503/25/202503/27/202504/01/202504/03/202504/08/202504/10/202504/22/202504/24/202504/29/202505/01/202505/06/202505/08/202505/13/202505/15/2025Time: 9 am - 12 pm Location: ONLINE ONLYRace Through IdahoDates: 02/15/2025Time: 9am Location: ONLINE ONLYRace Through MarylandDates: 03/08/202503/22/202504/19/2025Show more datesHide these dates05/24/2025Time: 9am Organization: Meadowside Nature CenterLocation: 5100 Meadowside LaneDerwood, MD, 20855United StatesSee map: Google MapsPhone:301-258-4030 Raptor Caretaker Chats at Meadowside Nature CenterDates: 02/15/202502/22/2025Time: 12 pm - 12:45 pm Location: Burke Lake Park - Fairfax Station, VA 7315 Ox RdFairfax Station, VA, 22039United StatesSee map: Google MapsPhone:703-324-8700 Scavenger Hunt Adventure at the Lake at Burke Lake ParkDates: 02/23/2025Time: 10:30 am Location: Burke Lake Park - Fairfax Station, VA 7315 Ox RdFairfax Station, VA, 22039United StatesSee map: Google MapsPhone:703-324-8700 Sketching along the Lakeside at Burke Lake ParkDates: 02/22/2025Time: 10 am Organization: Montgomery Parks - MDLocation: 9500 Brunett Ave. Silver Spring, MD, 20901United StatesSee map: Google MapsPhone:(301) 495-2595 Storytime at Maydale: In The Snow, Who’s Been Here?Dates: 02/18/2025Time: 10 am - 11 am Organization: Porter's Center for Global Leadership (PCGL)Location: 60 Main StreetFarmington, CT, 06032United StatesSee map: Google Maps Summer in Farmington: Overnight Program for GirlsDates: 07/06/202507/07/202507/08/2025Show more datesHide these dates07/09/202507/10/202507/11/202507/12/202507/13/202507/14/202507/15/202507/16/202507/17/202507/18/202507/19/202507/20/202507/21/202507/22/202507/23/202507/24/202507/25/202507/26/2025Time: All day Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 The World & Me: Save a Spider! at NMNHDates: 03/15/2025Time: 10 am - 12:30 pm Organization: Smithsonian - National Museum of Natural HistoryLocation: 10th St. & Constitution Ave. NWWashington, DC, 20560United StatesSee map: Google MapsPhone:(202) 633-1000 The World and Me: Amphibian Week Kickoff Celebration with the USDA Forest Service and Friends! at NMNH Dates: 05/03/2025Time: 10 am - 12:30 pm Location: Black Hill Discovery Center at Montgomery Parks20926 Lake Ridge DriveBoyds, MD, 20841United StatesSee map: Google MapsPhone:(301) 495-2595 Time for Tots: "The Valentine Bears" at Black Hill Discovery CenterDates: 02/14/2025Time: 10 am - 11 pm Location: Black Hill Discovery Center at Montgomery Parks20926 Lake Ridge DriveBoyds, MD, 20841United StatesSee map: Google MapsPhone:(301) 495-2595 Tracks and Trails at Black Hill Discovery CenterDates: 02/22/2025Time: 10 am - 11:30 am Location: ONLINE ONLYUnderstanding Auroras (A Free, Virtual Lecture)Dates: 02/20/2025Time: 7:00 - 8:00 PM Organization: Frying Pan Farm Park - Herndon, VALocation: 2709 West Ox RoadHerndon, VA, 20171United StatesSee map: Google MapsPhone:(703) 437-9101 Valentine's Day Tractor Wagon Rides for Families at Frying Pan Farm ParkDates: 02/15/2025Time: Register for rides starting at 11 am Organization: ConstellationsLocation: 30 Cold Spring Rd.Rock Hill, CT, 06067United StatesSee map: Google Maps Wild Child Society: A Luxury Family Summer Camp at Glacier National ParkDates: 08/03/202508/08/2025Time: 7:00 PM Organization: Montgomery Parks - MDLocation: 9500 Brunett Ave. Silver Spring, MD, 20901United StatesSee map: Google MapsPhone:(301) 495-2595 Wild Forest Time at Black Hill Discovery CenterDates: 02/23/2025Time: 2 pm - 3:30 pm Location: Clearwater Nature Center - MD11401 Thrift RdClinton, MD, 20735United StatesSee map: Google MapsPhone:301-699-2255 Wild Reading at Clearwater Nature CenterDates: 03/19/202504/16/202505/21/2025Show more datesHide these dates06/11/202507/16/202508/13/2025Time: 11 am - 12 pm Location: Ellanor Lawrence Park - Chantilly, VA5040 Walney RdChantilly, VA, 20151United StatesSee map: Google MapsPhone:703-324-8700 Winter Bird Walk at Ellanor C. Lawrence ParkDates: 02/15/2025Time: 10 am Organization: Potomac Overlook Regional ParkLocation: 2845 N. Marcey RoadArlington, VA, 22031United StatesSee map: Google MapsPhone:703-528-5406 Won’t You Be My Owlentine? Dates: 02/15/2025Time: 2-3pm Organization: Hidden Oaks Nature CenterLocation: 7701 Royce StreetAnnandale, VA, 22003United StatesSee map: Google MapsPhone:703-941-1065 Woodland Wildlife Egg Hunt at Hidden Oaks Nature CenterDates: 05/04/2025Time: Sessions starting at 2 pm and 3 pm