National Geographic Dawn of The Ocean (2010)

Today, biblical archaeologists and scholars rub shoulders with scientists. They're all scouring the globe for the most elusive and controversial goal in biblical research, to find out whether or not the stories of the Bible are based on real events.

In the frozen wilderness of Antarctica, where oceans ice over and just staying alive is an achievement, one creature has perfected the art of survival - the emperor penguin.

A National Geographic documentary of the Inca, the greatest empire in the new world explored through the lives of two men, Hirem Bingham who revealed the Inca civilization to the world and Francisco de Toledo who was determined to destroy it centuries before. Rumours of a ‘lost’ Inca city had abounded for centuries until a young academic fought through the impenetrable jungles of Peru and found Machu Picchu - surely one of the finest cites on Earth.

How sick was Abraham Lincoln? The theories are plentiful: he had Marfan's syndrome, or syphilis or mercury poisoning. As the Civil War went on, Lincoln seemed to get sicker. There were multiple reports about his ill health during the spring of 1865. As a result, some people speculated recently that Lincoln was dying from a variety of illnesses, even before he was fatally wounded.

As new parents can attest, children develop so much in the first year of their life it's hard to keep up. From the moment they draw their initial breath - itself an incredibly complicated biological feat - to their first steps, it's a year of remarkable development.

For 60 years American intelligence steadfastly refused to declassify the work of unit known simply as MIS-X. At last its extraordinary story can be told. The program reveals how MIS-X trained US pilots to send back coded messages if captured by the Germans, how the unit disguised maps, compasses, radios and even guns inside humanitarian parcels.

Every year in Tanzania, the dry season hits the Ruaha Reserve hard. To survive, animal populations come down from the high plateaus to reach the Ruaha River, where a pride of lionesses wait patiently, poised for combat. Watch the drama unfold as the lionesses face off with herds of buffalo and elephants in epic battles to defend their territory.

Could one of Leonardo da Vinci’s lost works of art be hidden between a wall of an ornate building and another masterpiece? It’s a captivating theory that has had one prominent scientist chasing a legend for more than 30 years. This is the exclusive behind-the-scenes story of the hunt for a priceless masterpiece that could lead to one of the greatest discoveries the art world has ever known.

Explorer and scientist Paul Sereno made an extraordinary discovery in the middle of the Sahara desert: While prospecting for dinosaur bones, he stumbled across an ancient human cemetery more than 5,000 years older than the Egyptian pyramids.

Today, biblical archaeologists and scholars rub shoulders with scientists. They re all scouring the globe for the most elusive and controversial goal in biblical research, to find out whether or not the stories of the Bible are based on real events.