Through Aug. 16
"Strike! — On the Occasion of the Centennial Anniversary of the Bread & Roses Strike" exhibit, 10 a.m. to 6 p.m. in the Chester F. Sidell Gallery and Elizabeth A. Beland Gallery, Essex Art Center, 56 Island St., Lawrence. Free. 978-685-2343, essexartcenter.org.
Friday, June 29
Grace Coffee House, 7 p.m. at Abundant Grace Church, 127 Rockingham Road, Derry. Features Christian and wholesome music, open mike sessions, clean Christian comedy, free coffee and refreshments, and free raffle tickets. 603-432-0510, abundantgracenh.com.
Cooking Class, in Methuen and Groveland. These farm-to-table classes focus on using ingredients from local farms. Classes are hands-on with instruction and include recipes and a meal at the end of the evening. Pre-registration required. 978-994-1692, email firstname.lastname@example.org.
Free Film Series, 6:30 p.m. at First Church Congregational, 26 Pleasant St., Methuen. "Food Inc." will be screened. A group discussion, refreshments and raffles will follow. Email email@example.com.
Yoga, 11:30 a.m. at the Town Hall, 183 Main St., Groveland. Includes chair exercises, gentle stretching. With Mary Van Abs. $5 per class. 978-372-1101.
Saturday, June 30
Saturday Night Ballroom Dance, 7:30 p.m. at the Methuen Senior Activity Center, 77 Lowell St. With The Mel-Tones. $9 per person. 978-983-8825.
Essex National Heritage Area Photo Safari featuring Tamron, 8 a.m. to noon at the Lawrence Heritage State Park and North Canal Historic District, 1 Jackson St. Presented by the Essex National Heritage Commission and Hunt's Photo and Video. Photographers of all levels can expand their skills, try the latest camera lenses and gear, and receive personal instruction from visiting professional photographers and Hunt's technical experts. Reservations required. $35 for Essex Heritage members, $45 for nonmembers. 978-740-0444, EssexHeritage.org.
18th Annual Yard Sale/Flea Market, 7 a.m. to 1 p.m. at the Sandown Town Hall. Hosted by the Sandown Lions Club. A portion of the proceeds will be used for a scholarship to be awarded to a graduating senior from Sandown and/or Danville for the 2012-2013 school year. Rain or shine. Donations are being accepted. Computers, TVs and clothing cannot be accepted. 603-974-0547.