Lions and hyenas have waged war for centuries. Watch what happens when these two competitors come face-to-face.
Pacific walruses travel according to the movement of the ice. As the ice expands in the winter, they move south.
Each year, a small band of pronghorn follows the longest migration in the Americas below the Arctic.
Male southern elephant seals, or bulls, must compete to earn the right to mate with an assembly of females.
See images from the Blowdown series on National Geographic Channel.
Just how big was the biggest dinosaur ever to walk the face of the earth?
Researchers fear a newest tourist craze may be upsetting sharks’ natural behavior.
Vágner joins local experts on a mission to catch and tag white sturgeon to aid the species’ survival.
African swamp monster
Get a unique perspective with these up-close photographs of some of the world’s most dangerous creatures.
See photos of Alaska's deadly skies and the pilots who navigate them.
The magnificent temples of Angkor were mysteriously abandoned for hundreds of years. Now, the largest religious monument on...
The palaces, cathedrals and museums of St. Petersburg are the shining symbol of the Russian Empire’s golden age – but...
These sophisticated submarines are capable of carrying tonnes of drugs.
Examine the mysterious relationship between these extraordinary big cats.
The Oscar-winning filmmaker joins Titanic experts to solve the lingering mysteries of why and how the ship sank.
One camera crew tries to get as close as they can to the great white.
See the mysteries of the oceans that have fascinated mankind for centuries.
A grand work of architecture could be in danger of collapsing into the river.