These beasts are built for killing.
Welcome to IMA, a clearinghouse for equipment from the front lines.
Check out some of these extreme war machines.
Host Diego Buñuel ventures deep underwater to graveyards of Maya human sacrifices and through dangerous underground tunnels to...
Stunning images of the raw and beautiful landscapes on offer in America.
The women and men who go to great lengths investigating the dangers of sinkholes.
Photos of the Aircraft Carrier
The Genographic Project
The chilling story of Hitler's killing squad who carried out some of the most horrific crimes during the Holocaust.Even by the ...
Find out why one of the most powerful tools of the Second World War was never used.
Brady Barr has an encounter with a sawfish.
Tara, Molly & Mandy, Olive, and Dexter
Investigated: the bizarre story of a town full of twins and the missing Nazi doctor dubbed 'Angel of Death'.
South American drug lords have gone beneath the waves in mini submarines, hand-built in the Colombian jungle.
Marijuana: from smoking to cooking, pleasure to pain relief.
The brutal truth behind this multi-million dollar drug business.
Pacific walruses travel according to the movement of the ice. As the ice expands in the winter, they move south.
The migrating Serengeti-Mara population represents about 70% of the global population of common wildebeests.
Lurking in the murky depths of the world’s great waterways are bizarre aquatic giants.
Photo gallery for Backyard Zoo on Nat Geo Wild.