Location: Seneca Creek State Park - Gaithersburg, MD11950 Clopper Rd, Gaithersburg, MD, 20878United StatesSee map: Google MapsPhone:301-258-6350 Winter Lights Festival 2019 - City of Gaithersburg, MDDates: 12/12/201912/13/201912/14/2019Show more datesHide these dates12/15/201912/16/201912/17/201912/18/201912/19/201912/20/201912/21/201912/22/201912/23/201912/24/201912/26/201912/27/201912/28/201912/29/201912/30/201912/31/2019Time: Sunday - Thursday: 6 - 9 p.m. Friday & Saturday: 6 - 10 p.m. Location: Nationals Park - Washington, D.C.1500 S Capitol St SEWashington, DC, 20003United StatesSee map: Google Maps Enchant Christmas - Washington, D.C.Dates: 12/12/201912/13/201912/14/2019Show more datesHide these dates12/15/201912/16/201912/17/201912/18/201912/19/201912/20/201912/21/201912/22/201912/23/201912/24/201912/25/201912/26/201912/27/201912/28/201912/29/2019Time: See website for details. Organization: District Wharf - Washington, D.C.Location: 735 Water Street, SW Washington , DC, 20024United StatesSee map: Google MapsPhone:202-688-3590 Holiday Market from Shop Made In DC - District Wharf - Washington, D.C.Dates: 12/12/201912/13/201912/14/2019Show more datesHide these dates12/15/2019Time: 12 pm – 8 pm Organization: Glen Echo Park Partnership for Arts And CultureLocation: 7300 MacArthur Blvd.Glen Echo, MD, 20812United StatesSee map: Google MapsPhone:301 634 2233 2019 Holiday Art Show & Sale - Glen Echo Park Partnership for Arts And CultureDates: 12/12/201912/13/201912/14/2019Show more datesHide these dates12/15/201912/19/201912/20/201912/21/201912/22/201912/26/201912/27/201912/28/201912/29/201901/02/202001/03/202001/04/202001/05/2020Time: Thursdays and Fridays, 10 am to 2 pm; Saturdays and Sundays 11 am to 6 pm Organization: United States Botanic Garden ConservatoryLocation: 100 Maryland Ave SW Washington, DC, 20515United StatesSee map: Google MapsPhone:202-225-8333 Season's Greenings - United States Botanic Garden ConservatoryDates: 12/12/201912/13/201912/14/2019Show more datesHide these dates12/15/201912/16/201912/17/201912/18/201912/19/201912/20/201912/21/201912/22/201912/23/201912/24/201912/25/201912/26/201912/27/201912/28/201912/29/201912/30/201912/31/201901/01/202001/02/202001/03/202001/04/202001/05/2020Time: 10:00 AM Location: Rose Hill Manor Park & Museums - Frederick, MD1611 N. Market St.Frederick, MD, 21701United StatesSee map: Google MapsPhone:301-600-1646 2019 Museums by Candlelight - Frederick County Parks and Recreation - MarylandDates: 12/14/2019Time: 12 - 7 pm Location: Dulles Expo Center4320 Chantilly Shopping CenterChantilly, VA, 20151United StatesSee map: Google MapsPhone:703-448-4000 Jurassic Quest - Chantilly, VADates: 01/24/202001/25/202001/26/2020Time: See website for details. Organization: Capital One Arena - Washingtin, D.C.Location: 601 F St NWWashington, DC, 20004United StatesSee map: Google Maps Monster Jam Triple Threat Series - Capital One Arena - Washingtin, D.C.Dates: 01/25/202001/26/2020Time: see website for details Location: Walter E. Washington Convention Center801 Mt Vernon Pl NWWashington, DC, 20001United StatesSee map: Google MapsPhone:202.249.3217 2020 Washington D.C. Travel & Adventure ShowDates: 03/07/202003/08/2020Time: see website for details Location: Various Locations Throughout Metro Washington, D.C..Washington, DC, 20002United StatesSee map: Google MapsPhone:877.442.5666 2020 National Cherry Blossom FestivalDates: 03/20/202003/21/202003/22/2020Show more datesHide these dates03/23/202003/24/202003/25/202003/26/202003/27/202003/28/202003/29/202003/30/202003/31/202004/01/202004/02/202004/03/202004/04/202004/05/202004/06/202004/07/202004/08/202004/09/202004/10/202004/11/202004/12/2020Time: Various Times- see dates on website Location: Weinberg Center for the Arts - Frederick, MD20 W Patrick StFrederick, MD, 21701United StatesSee map: Google MapsPhone:(206) 521-9551 Erth’s Prehistoric Aquarium Adventure - FREDERICK, MDDates: 03/20/2020Time: See website for details. Organization: Children’s National Hospital - D.C.Location: 111 Michigan Avenue NWWashington, DC, 20010United StatesSee map: Google MapsPhone:202-476-5000 Ability Resource Fair - Children’s National Hospital - D.C.Dates: 03/28/2020Time: 10 AM – 2 PM Organization: Calvert Marine Museum - Solomons, MDLocation: PO Box 97 14200 Solomons Island RoadSolomons, MD, 20688United StatesSee map: Google MapsPhone:+1 410-326-2042 Solomons Maritime Festival 2020 - Calvert Marine Museum - Solomons, MDDates: 05/02/2020Time: 10 a.m. to 5 p.m. Organization: Reston Town Center, VALocation: 11900 Market StReston, VA, 20190United StatesSee map: Google MapsPhone:(703) 579-6720 2020 Northern Virginia Fine Arts Festival - Reston Town Center, VADates: 05/15/202005/16/202005/17/2020Time: 10:00 AM - 5:00 PM Organization: Calvert Marine Museum - Solomons, MDLocation: PO Box 97 14200 Solomons Island RoadSolomons, MD, 20688United StatesSee map: Google MapsPhone:+1 410-326-2042 Sharkfest! 2020 - Calvert Marine Museum - Solomons, MDDates: 07/11/2020Time: 10 a.m. to 5 p.m.