Join biologist Zeb Hogan of the National Geographic Society's Megafishes Project as he explores the threats facing the giant Chinese sturgeon and the efforts underway to save it.
Check out original programs from National Geographic.
Venture into the 'death strip' and hear from East Germans who risked their lives for freedom.
Suzie calls on Cesar to help her Doberman, Baby Girl, who is afraid of any sort of noise.
A young hound that got hit by a car must get a leg amputated and a terrier with a history of biting arrives.
DogTown staff rush to the Nevada desert to save a group of dogs left neglected by a hoarder.
A trainer rehabilitates a biting dog, two puppies are rescued at an Indian Reservation, and an old chow may have a brain tumor.
A Border Collie mix arrives at DogTown unable to walk without extreme pain, and a Weimaraner is paralyzed with anxiety.
Follow bush troopers as they combat crime in a region with no roads, no backup, and no second chances.
A tourist vanishes while sunbathing on Fraser Island, Australia. A month later, dingoes attack two boys. Is there a connection?
In India, Bengal tigers stalk men in the forest and spring upon fishermen as they ride the rivers. Why are they killing humans?
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Surviving the San Francisco Earthquake of 1989
When a 7.1 earthquake explodes with the force of 2,000 kilotons of TNT across San Francisco, citizens become heroes to save lives.
From the creature comforts of Oakton, VA, to a remote village in the Trobriand Islands -- it's culture shock 101 for the Thurmans.
A chilling look at one of the most violent and destructive storms to hit the U.S. this century.
When raccoons, bears, alligators, and snakes invade, it's time to call the animal extractors.
Old college buddies do some dangerous piloting, the port's director navigates political waters, and an erratic boat is stopped at sea.
Terrorists enter Moscow's Dubrovka Theater and threaten to kill everyone inside unless Russia grants independence to Chechnya.
A million times more powerful than Hiroshima, a super volcano may exist beneath Yellowstone. If it erupts, would we survive?
British journalist Amardeep Bassey travels to Afghanistan on assignment, but ends up jailed in Pakistan on spying charges.
Gracia and Martin's romantic holiday in the Philippines ends tragically when they're captured by an Islamic extremist group.
Eighteen-year-old lingerie model, Lia McCord, makes the mistake of a lifetime in Texas - and ends up imprisoned in Bangladesh.
Could the wounds Jesus received during his crucifixion appear unintentionally in a select few?
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