9am-5pm Is that really a two-headed calf?  Did that horn come from a narwhal…or a unicorn? Find the answers to these and other questions for yourself at this authentic re-creation of Joseph Steward’s Museum of Natural and Other Curiosities that occupied the building in 1798. $6, 2-for-1 w/ Let*s GO Arts! Old State House Museum, 800 Main St, 522-6766, ctosh.org