In the spring of 1805, Captains Meriwether Lewis and William Clark, with a small band of men and a Shoshone woman, set out on a journey. Written by the explorers themselves, these journals remain the most vivid depiction of their epic trek.

A five-part series on deep sea exploration from the people at National Geographic. Using cutting-edge tools and technologies, Dr. Bob Ballard, discoverer of the Titanic, travels to the most remote parts of the world's oceans, revealing new species, natural wonders and archeological finds.

In January 2004, two spacecraft (named Spirit and Opportunity) carrying identical robotic explorers touched down on the surface of Mars. Take a behind-the-scenes glimpse of the design, testing, and launch of the mission, then join the quest for signs of life on the red planet.

Life tells the story of the six-member crew of the International Space Station that is on the cutting edge of one of the most important discoveries in human history: the first evidence of extraterrestrial life on Mars. As the crew begins to conduct research, their methods end up having unintended consequences and the life form proves more intelligent than anyone ever expected. Includes French audio description.

Come along on the greatest adventure of the 20th century-- America's first manned flights to the moon. Relive the incredible story in a film composed of rare footage shot and narrated by the Apollo astronauts themselves.

Colin O'Brady's awe-inspiring memoir recounts his triumphant recovery from a tragic accident and his gripping 932-mile crossing of the landmass of Antarctica solo, unsupported, and human-powered, the first to accomplish this extraordinary feat. Prior to December 2018, no individual had ever crossed the landmass of Antarctica alone and without any outside assistance. Yet Colin O'Brady was determined to do just that, even if, upon taking the first steps...

While searching for a ship-killing monster under the sea, three men are taken aboard the submarine Nautilus, captained by the eccentric Captain Nemo, and taken on an undersea adventure including erupting volcanoes, polar ice caps, and the lost city of Atlantis.

"Three-quarters of Earth is an alien world, lying beneath the surface of the oceans. And although it encompasses over half of the world's species, we know more about the surface of Mars than the bottom of the ocean. It's only recently that science has penetrated this world, revealing extraordinary life forms and vast sweeping landscapes on a scale that defies imagination"--Container.

In 1848, two real life warships, HMS Terror and HMS Erebus, sent on a Royal Naval expedition to find the treacherous Northwest Passage become trapped in ice near Arctic and face starvation, mutiny, cannibalism and a demonic polar bear.