The Holiday Train Show is back! It opens today at our Gallery & Store in Grand Central Terminal! Admission is free for all visitors. At the Holiday Train Show, you'll see the Museum’s collection of Lionel model trains, including Metro-North, Polar Express, and vintage subway cars. Our trains travel along a 34’ long, two-level, “O” gauge model train layout, and follow a route that passes through many recognizable New York City sights and goes on to the North Pole. The trains have realistic lights