For the first time ever, the classic holiday film “Polar Express” will be shown at the Tennessee Aquarium IMAX 3D Theater in the new IMAX with Laser format. Cost is $13.95 for adults and for $10.95 children. There will be several showings through Christmas.“Polar Express” tells the story of a doubting young boy who takes an extraordinary train ride to the North Pole and embarks on a journey of self-discovery that shows him the wonder of life never fades for those who believe.Choo, choo!