Renowned physicist Stephen Hawking takes a flight of epic proportions to visit his favorite places in the Universe.

How did fungi shape all terrestrial life—including us? The Kingdom of Fungi is an alien world, hidden from sight, with the largest and oldest organisms alive today. By studying fungi in the context of evolution and natural history, scientists are making life-changing discoveries.

Biologist Patrick Aryee embarks on a high-octane adventure to discover how nature can help us solve humanity’s biggest challenges.

Jane Goodall braved a realm of unknowns to give the world a remarkable window into humankind’s closest living relatives.

Why do animals produce light of their own? For centuries, we could only marvel at the mystery of bioluminescence. Now we can begin to reveal the amazing truth about these living lights. Sir David Attenborough is our guide, as we venture into a world he describes as "utterly unlike our own".

For the first time in 70 years, archaeologists have uncovered new areas of ancient Pompeii. With exclusive access to the dig, see how the latest artifacts and DNA science are changing history and discover the real stories of what happened to the unfortunate souls who didn’t escape the city gates.

Squirrels are among the most widely known and recognized mammals in the world. Some can fly, some can swim, and they live in diverse habitats–from underground to icy wastelands or burning hot deserts.

Go back in time to our earliest hunter-gatherer beginnings all the way to the future of seed storage and food production.

A team of maritime archaeologists descends 700 feet off the coast of North Carolina in search of the U-576, a German submarine that went down in a historic 1942 battle, possibly trapping 45 Nazi sailors inside.

Join filmmaker Casey Anderson as he embeds in the Alaskan wilderness to follow the largest terrestrial carnivores in the world.

How did humanity's earliest ancestors evolve into one of the most successful species on Earth? An extraordinary journey tracing the footsteps of early hominids. Using the latest paleoanthropological findings mixed with the latest CGI from Square Enix, this story is finally told.

The ancient art of folding paper has entered cutting-edge domains. Researchers in robotics, medicine and nanotechnologies are embracing this “origami philosophy,” trying to understand and duplicate nature’s folding principles.

The image of the human body was that the brain is the command center and the other organs obey the orders from the brain. We now know more.

Gaudi left us a spectacular work. And an unfinished creation: the Sagrada Familia. A huge, senseless cathedral project, whose rules and spirit must be understood in order to be completed. A challenge that has occupied the successors of the great Catalan architect for more than a century.

Embark on a journey deep into the unknown 95% of our planet, revealing extraordinary caves with 3D laser-scanning technology.

Explore the secrets to an innovative concept called circularity -- an economic system that eliminates waste and saves the planet’s resources. Meet 4 visionaries who are rethinking global paradigms and transforming the modern world.

Vint Cerf, Steve Case, and Ed Snowden -- internet insiders reveal its hidden past and startling present.

Richard Hammond explores weird and wonderful animal abilities and discovers how they have inspired some unlikely human inventions.

New York, Tokyo, Rio de Janeiro and Paris, these cities are pioneering new urban development, balancing urban life and nature.

In this award-winning film, David Attenborough narrates this close up look at these tiny pollinators captured in flight as never before. Acrobats of the air - flying jewels - iridescent partners of countless plants: hummingbirds are amongst the most remarkable creatures on our planet.

Gravitational Waves from three billion light years away have reached Earth -- the latest discovery from a new branch of astronomy that one day could give us a front-row seat to the Big Bang.

Nearly a century after the discovery of King Tut's tomb, archaeologists uncover the lost city of Luxor revealing new details about life in the Golden Era of ancient Egypt.

An alien world of bizarre creatures exists in the surface film of most lakes and ponds - tiny insects, with incredible capabilities, locked in a life and death struggle to survive.

Life in the sea rebounded with a vengeance in the Devonian. Dozens of monstrous predators emerged, like the 40-foot long Dunkleosteus. Nearly everything was wiped out in Earth’s second mass extinction. But the stage was set for an explosion of life on land.

More beautiful than butterflies, more spectacular fliers than hummingbirds, and with intriguing behavior as complex as mammals or birds. They’ve been flying around for hundreds of millions of years, crossing paths with dinosaurs before we mammals were even a twinkle in the eye of evolution.

Have you ever wondered what happens behind closed doors at zoos and aquariums? What do the animals do when no one is around to watch them? Catch a glimpse at the quirky happenings that guests normally don’t get to see.

Jason Silva, philosopher and futurist, reveals mankind’s next evolutionary leap. Will our symbiotic relationship with technology help us transcend our biological limitations, therefore ushering in a new era of humans? Transhumanism is a look at what the future may hold for humanity.

Almost like driving one...take a glimpse under the hood and inside 5 classic American-made cars from the 1920's to the 1960's.