Celebrate Southern Maryland traditions with antique boats and motors and master maritime carvers; new this year, wet plate photography demonstrations. Kids enjoy toy boat building. Adults learn how to pick crabs, shuck oysters, stuff a ham and more. Everyone gets free rides aboard the historic bugeye, The Wm. B. Tennison, at the ninth annual Solomons Maritime Festival as Calvert Marine Museum celebrates its grand re-opening. 10am-5pm at Calvert Marine Museum, Solomons: 410-326-2042 x19; www.calvertmarinemuseum.com.