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This towering castle houses dramatic displays of the implements, folk art and furnishings of early America before mechanization. Upcoming: "Long Way She Weave: A Graphic History of the American Flag," through Nov. 6. Tickets: $8-14. Mercer Experience Ticket grants admission to Mercer Museum and Fonthill Castle: $15-24. Open M-Sa 10 am-5 pm, Su noon-5 pm.