Journey to Florence to discover how Leonardo da Vinci used science, from human dissections to innovative painting techniques, to create his legendary artwork. Learn why Mona Lisa's smile is so captivating - and what it took to create it.

Where did humans come from, and what makes us unique? Discover the remarkable origins of Homo sapiens, and the crucial moments of innovation, communication, and ritual that set us on our path.

Where did humans come from, and what makes us unique? Discover the remarkable origins of Homo sapiens, and the crucial moments of innovation, communication, and ritual that set us on our path.

Where did humans come from, and what makes us unique? Discover the remarkable origins of Homo sapiens, and the crucial moments of innovation, communication, and ritual that set us on our path.

Follow Homo Sapiens as they venture across the world, farther than any other human species. See how they invented new tools to thrive in challenging environments - and meet the mysterious hobbit-like humans they may have encountered along the way.

Follow Homo Sapiens as they venture across the world, farther than any other human species. See how they invented new tools to thrive in challenging environments - and meet the mysterious hobbit-like humans they may have encountered along the way.

Follow Homo Sapiens as they venture across the world, farther than any other human species. See how they invented new tools to thrive in challenging environments - and meet the mysterious hobbit-like humans they may have encountered along the way.

Discover how Homo sapiens outlasted Neanderthals - and how they helped make us who we are today.

Discover how Homo sapiens outlasted Neanderthals - and how they helped make us who we are today.

Discover how Homo sapiens outlasted Neanderthals - and how they helped make us who we are today.

Follow ancient humans' perilous journey into the Americas, where a frigid Ice Age landscape, mammoths, and other fearsome beasts tested their resilience.

Follow ancient humans' perilous journey into the Americas, where a frigid Ice Age landscape, mammoths, and other fearsome beasts tested their resilience.

Follow ancient humans' perilous journey into the Americas, where a frigid Ice Age landscape, mammoths, and other fearsome beasts tested their resilience.

Explore how the rise of agriculture and writing leads to an explosion in the human population.

Explore how the rise of agriculture and writing leads to an explosion in the human population.

Explore how the rise of agriculture and writing leads to an explosion in the human population.

Archaeologists investigate dozens of strange Stone Age megastructures in the Arabian desert. They're so big that their true form is visible only from the air, yet these giant structures were built by a mysterious people 9000 years ago.

Archaeologists investigate dozens of strange Stone Age megastructures in the Arabian desert. They're so big that their true form is visible only from the air, yet these giant structures were built by a mysterious people 9000 years ago.

Archaeologists investigate dozens of strange Stone Age megastructures in the Arabian desert. They're so big that their true form is visible only from the air, yet these giant structures were built by a mysterious people 9000 years ago.

In September 2024, Hurricane Helene dumped 14 inches of rain on North Carolina, triggering flash floods and killing more than 100 people. Why are these floods on the rise around the world-even in places thousands of feet above sea level?

In September 2024, Hurricane Helene dumped 14 inches of rain on North Carolina, triggering flash floods and killing more than 100 people. Why are these floods on the rise around the world-even in places thousands of feet above sea level?

From ammonia leaks to Space Shuttle disasters to a spacewalk gone terribly wrong, astronauts and Mission Control insiders relive the most terrifying moments during construction of the International Space Station.

Witness life-or-death decisions 250 miles above Earth, as astronauts and Mission Control work together to survive moments of high danger on board humanity's remarkable orbiting laboratory, the International Space Station.

In April 1775, war breaks out in Britain's most troublesome territory. Now the American Colonial Army faces what seems like an impossible challenge - to militarily defeat the world's most powerful nation. We've all heard the stories of pluck and valor, but what really led to Britain's defeat and the birth of the United States? American and British archeologists and historians unpack the real story of technology, innovation, and luck that determined the outcome of key battles - from the Massachusetts militias who fired the first shots to the Naval clashes between British and American ships of the line. This unique film brings the latest science to bear to reveal the hidden history of the Revolutionary War.