一个挑战勇气的使命，一次考验决心的探险，一个艰苦卓绝的壮举……
威廉·克拉克和梅里韦瑟·刘易斯率领探险队，沿密苏里河乘船而上，穿越杳无人烟的广袤之地，，经过酷暑严寒，涉过千山万水，克服重重阻碍，终于到达目的地-太平洋，成功地进行了第一次横越美国大陆的考察。影片将带您重走刘易斯与克拉克险象环生的探险之路，体验印第安文化的别样风情，领略落基山脉的凛冽寒风，感受密苏里河的激流暗滩。

影片展现了在寒冷的北极，冰雪世界中的生命奇迹。
小北极熊Nanu在妈妈的带领下，学习求生的技能，逃避天敌的骚扰，同时也要摸索着应对全新环境的挑战；小海象Seela是族群繁衍中来之不易的结晶，有妈妈和姨妈的双重保护，但是猝不及防的环境变化，让整个海象族群面临巨大的威胁。
北极圈动物的后代和祖辈一样生息繁衍，但是，她们将面临一个截然不同的未来，如果，我们人类再不做点什么的话。

MYSTERIES OF THE UNSEEN WORLD transports audiences to places on this planet that they have never been before, to see things that are beyond their normal vision, yet literally right in front of their eyes. Mysteries of the Unseen World reveals phenomena that can't be seen with the naked eye, taking audiences into earthly worlds secreted away in different dimensions of time and scale. Viewers experience events that unfold too slowly for human perception; They "see" the beauty, drama, and even humor of phenomena of that occur in the flash of a microsecond; They enter the microscopic world that was once reserved only for scientists, but that Mysteries of the Unseen World makes accessible to the rest of us; They begin to understand that what we actually see is only a fraction of what there is TO see on this Earth. High-speed and time-lapse photography, electron microscopy, and nanotechnology are just a few of the advancements in science that now allow us to see a whole new universe of things, events, creatures, and processes we never even knew existed and now give us new "super powers" to see beyond what is in front of us. Visually stunning and rooted in cutting-edge research, Mysteries of the Unseen World will leave audiences in complete thrall as they begin to understand the enormity of the world they can't see, a world that exists in the air they breathe, on their own bodies, and in all of the events that occur around them minute-by-minute, and nanosecond-by-nanosecond. And with this understanding comes a new appreciation of the wonder and possibilities of science.

Mysteries of China captures one of the great archaeological events of the modern age, telling the story of Ancient China, the First Emperor, and the literal foundation of the China we know today. Through the lens of this groundbreaking discovery, viewers explore an ancient time when a fierce warrior brought together a warring nation and how an accidental discovery changed everything we know about China's past.
The discovery of the Terracotta Warriors and the Tomb of the First Emperor offers a unique time capsule into the past, revealing many things about this great country, which tells a larger story about the growth of China into a true superpower. From modern China to ancient China and back again, Mysteries of China is a visual adventure, using beautiful aerial photography and cutting-edge time lapse techniques to reveal great majesty, tragedy, splendor, and growth in a nation that continues to excel quickly into the future.