Chesapeake Wildfowl Expo is a weekend of festivities. Friday and Saturday the parking lot of the Ward Museum becomes a marketplace for the buying, selling and trading of antique and contemporary waterfowling items. Free appraisals of decoys available both days. Friday evening is a pig roast followed by a program “Continuing the Decoy Tradition”. Saturday the Chesapeake Challenge and ‘Old’ Decoy Competitions are held along with carving demonstrations, and children programs. Chicken Barbeque sold from 11 a.m.-2p.m. Admission to the museum and event is free. Tickets for pig roast are $13 and can be purchased at the gift shop. At The Ward Museum of Wildfowl Art, Salisbury. Fri., 10 a.m.-6 p.m.; Sat., 9 a.m.-5 p.m. Through 10/9. www.wardmuseum.org 410-742-4988.