Photographs of old-growth forests' beauty and destruction by TJ Watt, internationally known photographer and a co-founder of/campaigner with the Ancient Forest Alliance. Mahon Hall. Oct. 26 to Oct. 30, 10 a.m. to 5 p.m. Proceeds benefit the Endangered Ecosystems Alliance and the Nature-Based Solutions Foundation.

Trick-or-treat at the Alfred House at Ruckle Heritage Farm, plus crafts for kids from 1 to 5 p.m.; and talks on how to make bone broth at 2 p.m. and 4 p.m.

Shakespeare's Macbeth runs at the Farmers' Institute Oct. 28, 29 and 30 at 7:30 p.m.; on Oct. 31 at 9 p.m.; and  Nov. 3, 4 and 5 at 7:30 p.m. Tickets at Salt Spring Books. ($30 for adults; $15 for youth aged 14-18). Parental discretion for under 14.

The Crones Liberation Movement members will be at the front entrance of 135 Brinkworthy Road to give out treats from 5 to 7 p.m. or until the candy runs out.

Salt Spring Fire Rescue fireworks display in Ganges Harbour. Starts at about 7:30 p.m.

Shakespeare's Macbeth runs at the Farmers' Institute Oct. 28, 29 and 30 at 7:30 p.m.; on Oct. 31 at 9 p.m.; and  Nov. 3, 4 and 5 at 7:30 p.m. Tickets at Salt Spring Books. ($30 for adults; $15 for youth aged 14-18). Parental discretion for under 14.

Contemporary dance show at ArtSpring. 7:30 p.m.

Shakespeare’s Macbeth runs at the Farmers’ Institute Oct. 28, 29 and 30 at 7:30 p.m.; on Oct. 31 at 9 p.m.; and  Nov. 3, 4 and 5 at 7:30 p.m. Tickets at Salt Spring Books. ($30 for adults; $15 for youth aged 14-18). Parental discretion for under 14.

Shakespeare’s Macbeth runs at the Farmers’ Institute Oct. 28, 29 and 30 at 7:30 p.m.; on Oct. 31 at 9 p.m.; and  Nov. 3, 4 and 5 at 7:30 p.m. Tickets at Salt Spring Books. ($30 for adults; $15 for youth aged 14-18). Parental discretion for under 14.

Cancelled due to technical difficulties. Verdi opera part of the Met's Live in HD series. ArtSpring. 10 a.m. to 1 p.m.

Shakespeare’s Macbeth runs at the Farmers’ Institute Oct. 28, 29 and 30 at 7:30 p.m.; on Oct. 31 at 9 p.m.; and  Nov. 3, 4 and 5 at 7:30 p.m. Tickets at Salt Spring Books. ($30 for adults; $15 for youth aged 14-18). Parental discretion for under 14.