An exhibition of unique works created by the nation's leading maritime artists, "The Plein Air Painters of the Maritime Gallery at Mystic Seaport," is now open at the gallery. On view are 112 paintings that capture the museum's historic ships, shoreline vistas, and village scenes along the Mystic River in the tradition of the plein air painters of the 19th and 20th centuries. These works were painted on the seaport grounds the week of June 17. The exhibition runs through Sept. 21. Hours are 10 a.m. to 5 p.m. daily. Admission is free. Call (860) 572-5388.