Power, luck, medicine, aphrodisiacs, delicacy. Tigers are on the verge of extinction. Is the death of a majestic animal worth it?
(00:51)Should we put UFO sightings be put down to our imagination?
(00:35)Experience the adventure of a lifetime: watch Earth Live Sunday, July 9 at 8 ET. Hosted by Jane Lynch and Phil Keoghan.
(01:54)Count down the moments when an iceberg, too few lifeboats and freezing waters resulted in an oceanic tragedy.
(00:41)Steve Jacobs uses his desktop tornado demo to describe conservation of angular momentum.
(00:49)The Chase Continues
(00:37)Claws
(00:28)Hunting Rodents
(00:33)Wild Dog Attack
(00:37)From the air and on the ground, three components of CBP work 24/7 to defend a 51 kilometer long stretch of the border.
(00:46)CBP agents take illegal immigrants to the station to get processed.
(00:34)Follow one of the toughest law enforcement agencies in America who work in the last frontier.
(00:30)Find out how to survive a zombie attack as we expose the truth about the walking dead.
(05:35)Promo of Hitler's Lost Battleship on National Geographic Channel.
(00:30)Take a first look at National Geographic’s next revolutionary scientific event: Breakthrough.
(00:32)Academy Award winner Geoffrey Rush stars in National Geographic's global event series, Genius, coming in April.
(00:30)Witness the earth’s greatest wildlife, shot by the world’s greatest wildlife cinematographers, in a live two-hour event...
(00:30)With its oil reserves dwindling, Dubai switches its sights to tourism, building the Burj al Arab, a 60-storey hotel in the...
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