National Parks Adventure 3D 2016. Narrated by Robert Redford, this IMAX documentary celebrates the centennial of the National Park Service. It follows mountaineer Conrad Anker and his team as they explore Yellowstone, Yosemite, and other iconic parks across the country. The film combines stunning aerial footage, time-lapse photography, and on-the-ground adventures to capture the majesty of America's natural landscapes. It interweaves the story of the 1903 camping trip between President Theodore Roosevelt and naturalist John Muir that helped inspire the preservation movement. The documentary highlights the diversity of park terrains, from volcanic peaks to deep canyons and ancient forests .