Glacier National Park, 4th Edition DVD DVD Extra - Glacier History - Road Out of Rock - Take a journey back in time with this fascinating 10-minute historical film, a 1930's movie newsreel of Glacier National Park. See the park as it was in "the olden days" and watch the building of Going-to-the-Sun Road. DVD Extra - Glacier Music Video - When you gaze upon the majestic scenery of Glacier, you can almost hear mother nature's music. Editor Eleni Papagiannis has paired Russ Finley's masterful cinematography with inspiring music - let Glacier sing! Where To Stay & Play Digital Copy iPhone & iPad Tablet Feature DVD Extra - Digital Picture & Sound Quality