Inside Nature's Giants dissects the largest animals on the planet to uncover their evolutionary secrets.
(01:02)Is there a new species of mega spider lurking in the Amazon rainforest? Eeek!
(00:41)Female elephants gather around to witness a day-old calf's first tentative steps.
(01:27)An animal trainer is killed by his elephant during a performance; why did it attack?
(02:32)Meet Elsa Einstein, wife of Albert. Genius Season 1 premieres April 24 only on National Geographic.
(02:29)Geneticist Spencer Wells and his team are attempting to retrace humanity's journey to all corners of the earth on this single...
(03:12)See scientists in 2210 uncover the ruins of a great civilisation.
(00:43)Climate experts continue to examine what effect each rise of 1ºC could have on the world.
(01:17)From award-winning filmmakers Sebastian Junger and Nick Quested, ‘Hell on Earth’ chronicles Syria’s descent into the...
(01:32)Megalodon was the biggest predator ever to swim the oceans who ruled the seas for 20 million years.
(01:06)Oil is one of the most important commodities today. What would our world look like if we ran out of oil?
(01:14)A team of aviation experts rebuild and put the legendary stealth fighter to the test.
(01:05)Meet Albert Einstein, the subject of Genius Season 1.
(02:46)The world changed when two hijacked airliners crashed into the Twin Towers. We look at the events leading up to it and ask why...
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