Big guns, small guns, strange guns and everything in between.
Humans are challenged with near identical social experiments for animals.
Making & delivering the tail
Charley Boorman travels from Indonesia to Australia
Wild Russia The Secret Forest
Blending art, forensics and biology, Sereno's team recreates a lost world of strange Cretaceous crocs that paleontology forgot.
Find out why one of the most powerful tools of the Second World War was never used.
Cruise Ship Diaries
Could the treasure be battlefield booty?
Hunt For Aliens search for clues of life on other planets.
See images of Rudy Giuliani following the September 11 attacks on New York's World Trade Centre.
Part of the Making History series, these images are from The Nostradamus Prophecies episode. Could he really see the future?
Travel behind the scenes on some of Hillary Clinton's most crucial overseas missions to date.
Medical Marvels photo gallery, part of the Wonder Dogs series.
See spectacular images of the underwater creatures that feature in Desert Seas.
See the faces of the infamous men behind the 9/11 terrorist attacks.
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