Not sure I'd call it "don't miss", but Attitash is hosting "BlueberryFest" this weekend. The Adam Ezra Band is playing, and there is farmer's market, blueberry pie baking and eating contests, games, etc. And blueberry beer...don't forget the beer. I know we're planning on heading over after StoryLand drives us crazy.
I guess this is something they used to do back in the day, and decided to revive it. Plus, "Attitash" means "blueberry" in Abenaki, which I thought was a great piece of Cliff Claven-esque trivia.