Also: Blues at The Brandywine River Museum and Lanchester Fiddlers Picnic By Denny Dyroff, Staff Writer, The Times One of the top summertime attractions in the Brandywine Valley is the annual Festival of Fountains at Longwood Gardens (Route 1, Kennett Square, 610-388-1000, www.longwoodgardens.org) — especially on the select nights when Longwood presents “Fireworks and Fountains.” From May … Continue reading What To Do: Fountains, Fireworks and…ABBA at Longwood