Gary Westerhoff, nature photographer, will present a narrated slide show: “The Great Outdoors,” featuring his work and travels. Friday, Aug. 7 at 7 p.m. at the RFA Lakeside Theater, 2493 Main St. in Rangeley. Westerhoff is a professional environmental engineer, a nature photographer and a longtime summer visitor to the Rangeley area. The show will consist of images from North American Wildlife and Adventures in Patagonia, South America, over a 15-year period. At-will donations will support youth programs of the RFA.