The Neanderthals’ Dark Secret

Up to one million gladiators are thought to have died in arenas across the Roman Empire. And, although fascination with gladiators has been high, the details of their lives and deaths remain fragmentary. Now, with the discovery of an ancient Roman burial site containing 80 skeletons thought to be gladiator warriors, National Geographic recreates the world of the Roman arena and how six gladiators lived, fought and died.

A film on the "SAPPHIRE", the oldest identified wreck in Canadian waters. Parks Canada's underwater archaeology team is responsible for the excavation of the three-hundred-year-old frigate.

It's the most extraordinary feat of engineering in history, and one of the most iconic man-made structures on the planet - the Great Wall of China, stretching thousands of miles across barren deserts and treacherous mountains before finally plunging into the sea. But why did the Chinese go to such staggering lengths to build it, and what are the secrets that have enabled it to survive for over 2,000 years? Now, ground breaking science is re-writing its complex history and de-coding its mysteries to reveal that there is much more to the Great Wall than just bricks and mortar. Cutting edge chemistry reveals that the secret to the Great Wall's remarkable strength is a simple ingredient found in every kitchen, and a new survey also determines that its length is truly amazing, as we finally solve the enigma at the heart of the world's greatest mega-structure.

Two years after the discovery of "Sue," the largest and most complete Tyrannosaurus Rex skeleton found to date, government officials seize the remains and claim that "Sue" was stolen from federal land.

In northern Peru, the unprecedented archaeological discovery of the largest known mass child sacrifice in the world opens the doors to the kingdom of Chimor. This international archaeological investigation carried out like a criminal investigation reveals the mysteries of the last civilization of the Andes before the arrival of the Incas.

Built in 1755 at the height of the French and Indian War, Braddock's Road was one of the nation's most infamous military roads. Traces of this historic route, in western Maryland, still remain, buried beneath soil and brush, and a team of archaeologists is on the hunt.

In the heart of a metropolitan city of 15 million people and among the construction of a new billion-dollar transportation network, an archaeological sensation has been discovered: the ancient harbour of Theodosious, lost from the history books for over 1000 years.

Thousands of terracotta warriors guarded the first Chinese emperor's tomb. This is their story, told through archeological evidence and reenactments.