In honor of the centennial anniversary of the beloved children’s novel, Brandywine River Museum unveils N.C. Wyeth’s Treasure Island: Classic Illustrations for a Classic Tale, comprised of the 16 exquisitely detailed paintings that accompanied the iconic 1911 version of Robert Louis Stevenson’s epic tale. The exhibit runs thru Nov. 20. Route 1, Chadds Ford, (610) 388-2700, brandywinemuseum.org.