Explore the magnificent fall colors of the Thain Family Forest, the largest remaining tract of old-growth forest in New York City. See faeries plot and lovers quarrel among the foliage in highlights from Shakespeare's A Midsummer Night’s Dream (12 & 2 pm), meet inhabitants including live mammals, reptiles, and birds (12 & 2 pm), watch woodcrafting and more autumnal activities. Head to the hildren’s Adventure Garden to see the enormous tree cookies of a giant sequoia and a white oak,…