As they race to help evacuees from the World Trade Center, the NYPD ESU barely make it out of the North Tower before it collapses.
(02:59)Many animals defend their food with all fury. Discover how they do it.
(03:00)Discover the intricate detail of mosaics, gold and marble that went into the lavish decoration of Hagia Sophia.
(03:00)The proper way to rev your snowmobile during a jump to avoid a crash.
(02:51)Survivors describe being attacked by lions at night.
(02:43)Witness the raw, devastating power of a tornado in this incredible home video.
(03:00)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)Nine a.m. Rescue Ink headquarters, Long Island, New York. The guys respond to an urgent call. It’s one of dozens this band...
(03:00)“Once you get to the Amazon, you have to love the rainforest or you hate it straightaway”, says Jakub.
(03:02)Great instincts of protection. Enjoy the depths of motherly love.
(02:59)A mystery unravels as scientists search for the real life Da Vinci code.
(02:37)Alexis is perfecting her knife throwing… along with her aim.
(02:18)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)No one knows for sure why Asian or any other physical features took shape.
(03:12)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)Bella, Rocky, Madison and Catrina
(01:12)When David Koresh and the Branch Davidians were raided by the ATF, they were prepared to fight back with automatic weapons.
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