October 19 @ 10:00 am - 4:00 pm The Big Build National Building Museum 401 F St NW, washington From 10 - 4, all ages will learn at this FREE hands-on festival celebrating the world we design and build. Free
October 18 @ 10:30 am - 1:00 pm 2024 Maryland STEM Festival Opening Ceremony John Hopkins University Applied Physics Laboratory 11100 Johns Hopkins Road, Laurel Celebrating ten years of Festivals Free