Witness the raw, devastating power of a tornado in this incredible home video.
(03:00)These Japanese Snow Monkeys have their very own hot springs - constructed just for them!
(03:07)The most iconic element of St Paul’s is the mighty dome of St Paul’s, topped by a gold cross 111 metres above the ground....
(02:59)Bryan Penprase discusses the locations of the ancient equinoxes in Casa Rinconada.
(00:45)A mystery unravels as scientists search for the real life Da Vinci code.
(02:37)Meet Elsa Einstein, wife of Albert. Genius Season 1 premieres April 24 only on National Geographic.
(02:29)Welcome to a new world, a very still world.
(01:20)When David Koresh and the Branch Davidians were raided by the ATF, they were prepared to fight back with automatic weapons.
(03:09)Operation Four Seasons plans to hit a major heroin market, taking out the boss and all his dealers at once.
(02:57)At the port of entry, CBP agents hit upon a narcotics load stashed inside a silver pickup truck.
(03:00)Continuing experimentation with nuclear bombs could be the solution to traveling at the speed of light.
(03:02)600 years of torrential rains and landslides have done little to diminish the awesome sight of Machu Picchu. Find out how it...
(00:55)Stay calm, stay still, or risk getting a shark's attention.
(02:56)The physics behind successful headspins.
(03:03)David Jacobs believes he knows why aliens experiment on us, and his vision is bleak for humanity.
(16:54:00)Count down the moments when an iceberg, too few lifeboats and freezing waters resulted in an oceanic tragedy.
(00:41)Lower branches can be tempting, but dangerous.
(03:32)Just down the fjord, Balog and Extreme Ice Survey engineer, Adam LeWinter, climb down to one of the time-lapse cameras they...
(03:00)The largest airship ever built and the pride of the Nazi government, the Hindenburg met its fatal demise in May 1937.
(00:55)Over the millennia, the expansion and contraction of ice across the continents has fundamentally altered the planet, gouging...
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