See gorilla protect a young boy who had fallen into a zoo enclosure.
(00:14)Piers meets some people who have eaten human meat in the past.
(02:37)Look down on Earth as a hurricane begins to develop in the Gulf Coast.
(03:07)Some physicists believe that we have the capacity to create small black holes that could lead to Earth's destruction.
(02:52)Jet is aggressive, obsessive, and hard to handle. Cesar's here to put brakes on this runaway train.
(12:42:00)Journey to the Edge of the Universe explores what we would find if we were able to travel the entire length of our universe.
(01:34)Fishermen scour the depths of the oceans in search of the biggest and strangest sea creatures.
(01:01)Beach Crash
(00:31)What would happen if aliens invaded? In one scenario, we see that F-18s and missiles are ineffective.
(02:53)Some call it the 'most exciting car on Earth'. Take a seat inside Sweden's slick Koenigsegg!
(01:12)Investigators search the Texas countryside for missing pieces of the plane.
(03:02)With no other options, a disabled flight is forced to land on a Louisiana levy.
(02:43)A packed commuter plane crashes to the ground shortly after take off, fire engulfs one of the main hangars at Charlotte airport...
(01:11)Richard flies east to learn how Hong Kong International Airport was built from scratch on a specially constructed island.
(00:52)Clare Matthews ends up in an Asian jail after being caught drug smuggling.
(00:43)Explore what makes the Oasis of the Seas the largest cruise ship.
(00:29)Sexual exploitation or religious conviction? Get the polygamist's inside story.
(00:54)A female zebra chases away a cheetah to protect her young.
(01:10)It takes a special, 24-hour response team to maintain order among this prison's 4,000 inmates.
(00:50)Can the most fearsome gun on Earth stand up to an alien attack?
(01:58)