Best Bets - Globe North

Salem: "The Undersea World of Salem Sound," an exhibit of underwater photographs by Donald Whitehead, opens Saturday with a reception from 2 to 4 p.m. at sass:C, a collaborative gallery of art and craft on Artists Row, 24 New Derby St. Images taken over 31 years around Salem Sound reveal the variety of underwater flora and fauna, decaying remains of sunken ships, and glacially carved rock formations. The artist will give a one-hour presentation Friday at 6:30 p.m. in the Community Room of the Beverly Cooperative Bank at 87 Lafayette St. Whitehead will offer a sub-aquatic travelogue, a combination of natural history, maritime history, dive talk, and sea stories. The show continues through Nov. 4. Free. 978-745-4850, salemartsassociation.org.

Beverly: Bear Gallery, Montserrat College of Art's student-run gallery, opens Monday with "Restricted Access." Faculty, staff, and students were restricted to one sheet of paper and three ballpoint pens to create a piece for the exhibit. A reception will be Thursday, 6 to 9 p.m., in the gallery at Beverly Depot Condominiums, 116 Rantoul St. The reception is in conjunction with Beverly Main Streets, BAM! events, 4 to 9 p.m. downtown. montserrat.edu.

KIDS Portsmouth, N.H.: The Music Hall's "KidsRULE!" film series presents a special Columbus Day matinee of the National Geographic film "Arctic Tale," narrated by Queen Latifah (rated G). Shown in the newly restored Music Hall auditorium, Monday at 2 p.m. Tickets $8, children $6 available at The Music Hall box office, 28 Chestnut St., by phone 603-436-2400, or online themusichall.org.

Hamilton: Green Meadows Farm Harvest Festival, Saturday, 11 a.m.-4 p.m., includes Back Eddy Bluegrass, hayrides, pony rides, farm animals, children's activities, food. Rain or shine. Free. Farm, 656 Asbury St. at Hamilton/Topsfield line. 978-468-2277, gmfarm.com.

Manchester-by-the-Sea: Learn how to save on energy bills and get involved in sustainability projects at the Brookwood School Sustainability Fair, Saturday, 9 a.m. to 1 p.m. More than 30 exhibitors will cover a range of topics and interests and offer ideas about sustainability. The free fair offers activities for children. Brookwood is on Route 127 near the Beverly Farms line. brookwood.edu, 978-526-4500.

Exeter, N.H.: Tuesday at 7 p.m., the Phillips Exeter Academy music department presents its Faculty Potpourri Concert at Phillips Church, Tan Lane and Front Street. It commemorates the 100th anniversary of composer Edvard Grieg's death. Free. 603-777-3453, exeter.edu.

Ipswich: Trustees of Reservations present "The Appleton Farms Barn Tour and Fox Hunting History," Monday, 2-4 p.m., 219 County Road. Myopia Hunt Club rides to hounds at a simulated fox-hunting meet. $8. Preregister at 978-921-1944, ext. 8815, NEeducation@ttor.org.

Lynn: Take a foliage bus tour at Lynn Woods Reservation, Saturday at 1 or 2:30 p.m. Meet at Pennybrook Road entrance. Sponsored by Ranger Dan Small and Friends of Lynn Woods. Preregister: 781-477-7123.

Lynn: Mass Theatrica presents Mozart's opera "The Impresario" in English, LynnArts, 25 Exchange, Saturday-Sunday 4 p.m. $15, elders/students $13, children $8. 508-757-8515, www.masstheatrica.org.