Inspired by the classic Chris Van Allsburg book The Polar Express and set to the music of the film, travel over the river and through the woods in this Christmas-themed train trip through the mountains of Western North Carolina. Enjoy cocoa and cookies, a singalong, and a surprise visit from Santa, who gives a gift to each of the kids. Prices vary depending on packages and trains, and rides are around an hour and 15 minutes. » Great Smoky Mountains Railroad, 45 Mitchell St.; daily, 5 p.m.; $19-$94; (800) 872-4681; www.gsmr.com