Extras
Discover how two revolutionary ancient inventions changed the course of humanity forever.
Follow ancient humans’ journey into an icy and perilous new land.
Discover how Homo sapiens outlasted Neanderthals – and how they helped make us who we are today.
Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.
Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species.
Big Cats 24/7 is back in the stunning Okavango Delta, revealing the dramatic lives of its big cats.
From the Schönbrunn Palace Park, Piotr Beczała performs "Nessun Dorma."
The Vienna Boys Choir performs "The Elves Song" from "The Rhine Nixies."
Watch a preview of Clearing the Air: The War on Smog.
Professor Tempest and the police return to solve more complex and intriguing crimes.