On June 22, the Vasa National Archives, a short block from the park, will be offering a Midsummer Respite featuring drinks, snacks, and hands-on activities for the kids. The public is welcome to view exhibits and enjoy some light refreshments. Children can enjoy the Magic of Midsummer, in which kids can help measure and mix ingredients in various household science experiments to see what happens. The Vasa National Archives will be open from 11 a.m. to 3 p.m.