Thursday, Oct. 19 Discover the history and ecology of Porter Preserve during a leisurely one-mile hike from 10 to 11 a.m. with a naturalist from the Boothbay Region Land Trust. Trail leads through thick forest featuring old-growth spruce, oak, and pine. Scenic overlooks: views toward cliffs and ledge rocks where seals sometimes sunbathe at low tide; large sandy beach with signs of an old homestead. Free. Group size limited. Registration required: go to www.bbrlt.org/events - or contact Tracey Hall at thall@bbrlt.org.