100:00:20,766 --> 00:00:22,563NARRATOR:Jellystone Park.200:00:22,734 --> 00:00:27,694One of the nation's oldest and mostbeautiful stretches of wilderness.300:00:27,873 --> 00:00:31,604For years, families have headed outfrom the busy city...400:00:31,777 --> 00:00:34,940...eager to enjoy a little camping,fishing...500:00:35,113 --> 00:00:40,779