Maine. Kneisel Hall Chamber Music Festival 2012 begins Friday and runs through Aug. 26 at the Franz Kneisel Concert Hall, 137 Pleasant St., Blue Hill, in Downeast. The 10-week series of public concerts is presented Friday evenings at 7:30 p.m. and Sunday afternoons at 4 p.m. in the historic Franz Kneisel Concert Hall. Phone: 207-374-2203; www.kneisel.org.
Massachusetts. Berkshire Summer Arts Festival 2012, at Ski Butternut, 380 State Rd., (Route 23) in Great Barrington, is July 6-8. It is a special art show featuring 185 juried artists, demonstrations, music, gourmet food, and entertainment. The festival runs rain or shine, under tents and inside the air-conditioned upper lodge. Adults $12; seniors $10; students $5; weekend pass $13; under 10 free. 10 a.m.-6 p.m. July 6 and 7; till 5 p.m. July 8. 845-355-2400; www.berkshiresartsfestival.com.
New Hampshire. The Boston Portsmouth Air Show is June 30-July 1. The world-renowned U.S. Air Force Thunderbirds will make a rare appearance in New Hampshire, pushing their F-16 Fighting Falcons to the limit in a display of speed, skill, power, and precision. $15-$25. 603-625-6431; www.bostonportsmouthairshow.com.
New Jersey. The 8th annual OPA! Big Fat Greek Festival is June 29, 4-10 p.m.; June 30, noon-10 p.m.; and July 1, noon-6 p.m. at Razberry's Banquet Center, 834 Rte. 12 E., Frenchtown. Free. Hosted by St. Anna Greek Orthodox Church and featuring Greek food and desserts, Greek wines and beer, Greek music, folk dancing, community performers, children's activities, vendors. 908-782-9741; www.StAnnaGOC.org.
New York. The I Love Barbecue Festival takes place June 29-July 1 in Lake Placid, in the Adirondacks. It's a national-level barbecue and grilling competition, sanctioned by the Kansas City Barbeque Society. The event, which includes music, children's activities, parties, and a celebrity appearance, will be at the Olympic Skating Oval on Main Street. Admission is $10; children under 10 free. 518-637-1593; www.ilbbqf.com.
Pennsylvania. The 63d annual Kutztown Folk Festival is June 30-July 8 at Kutztown Fairgrounds, Route 222 between Allentown and Reading. Celebrate the Pennsylvania Dutch culture with crafts, quilts, folklife demonstrations, historical reenactments, antiques, traditional music, dancing, and plenty of food. 9 a.m.-6 p.m. each day. $14 adults; $13 for over 55; $5 for ages 13-17. A week pass is $24. www.kutztownfestival.com.
Washington, D.C. The Smithsonian Folklife Festival is June 27-July 1 and July 4-8 on the National Mall. All the surrounding Smithsonian museums are open to the public and free. This year's themes: Campus and Community, Citified, and Creativity and Crisis. www.festival.si.edu.
West Virginia. The Mountain State Art and Craft Fair runs July 5-7 in Ripley. More than 100 of the Appalachian region's best artisans will be on hand to sell and demonstrate a wide variety of products, and there will be entertainment and food at the Cedar Lakes Conference Center, just off I-77 (exit 132). 9 a.m.-7 p.m. each day. Adults $6; ages 6-12 $2; seniors 60 and older $5. Group rates available. www.msacf.com.