Images from Doomsday 2210?, a National Geographic Channel two-hour special which explores what future scientists will think of...
Photos of Great Migrations series on National Geographic Channel
At up to 40 feet long and 20 tons, the largest fish in the sea lives entirely on the very tiniest of creatures.
Spectacular rain forest decorate Borneo, the third largest island in the world.
The little red flying fox of Australia sometimes form camps of over one million individuals.
See images from The Silver Pharaoh Mystery one-off special on National Geographic Channel.
Captured moments of unexplained deaths of these creatures.
Images from the Megashredding: Planes, Trains And Cars series on National Geographic Channel.
How do you move monstrous mammals, enormous elephants, restless rhinos, hefty horses and speedy sharks?
Faster than a battleship, see images of Hitler's powerful pocket battleship.
Extreme heat, wind and sandstorms make the journey treacherous and have Vágner struggling to push on.
A strange alien-like creature, a lion having a fatal seizure, and a mysterious crime.
Flick through our selection of images that show the unique bond Kevin Richardson shares with a selection of big cats.
Take a look at some of the weirdest animals in the world.
See photos from behind restricted lines at one of the world’s most mysterious sites.
The dogs of the U.S. Customs and Border Protection team are vital in the battle to keep America safe.
Meet John Varty and his 15-strong group of tigers at the Tiger Canyons reserve.
See dramatic tiger portraits and landscapes from South Africa's Tiger Canyons.