The Caucasian Mountains are a link between Europe and Asia, the highest peaks of this rugged range are well over 5000 metres.
When the winter ends the first polar bear mothers with their young appear from their dens in the snow.
Poland, summer 1941 - Jewish children in a ghetto. Wearing the yellow star is compulsory for Jews in all the Nazi-controlled...
Icelandic Volcano Special
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.
Each year, a small band of pronghorn follows the longest migration in the Americas below the Arctic.
The migration of the Makgadikgadi Zebras is the second largest zebra migration in the world.
The migrating Serengeti-Mara population represents about 70% of the global population of common wildebeests.
A herd of white-eared kob graze. This magnificent antelope lives nowhere else on Earth.
Thousands of stones make up the ancient city of Machu Picchu. Pictured here, are the stone walls that remain from this...
The Secrets of The Moon Landing
Nat Geo Specials
Bernard Buigues, Alexei Tihkonov, Daniel Fisher, Yuri Khudi, and Kirill Seretetto attend the microsurgery on Lyuba, the baby...
Mark Manosky Site Engineer, explains the duties of the new high pressure rotor which is being installed reactor system.
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