Need something to do this weekend? Have some guests coming to visit this summer? Why not show them the treasures of the Brandywine Valley. Start off your day with dining at Buckley's and then head to the Brandywine River Museum , Winterthur Museum and Gardens, and Longwood Gardens. Right here in our own backyard, the Brandywine Valley attractions offer an opportunity to see the artistic talent of the Wyeth family and the spectacular gardens of these famous DuPont estates.