다음 채널에서 시청 가능: Prime Video
시즌 1, 에피소드 1: Wonder unlocks the mysteries of the geological forces that created the amazing landscapes of Rocky Mountain National Park, Great Sand Dunes National Park and Preserve, Colorado National Monument, Black Canyon of the Gunnison National Park, and Mesa Verde National Park.
History · 2016년 4월 3일 · 52분