National Geographic 2018

Are they ancient road maps or messages for visiting aliens? Lying at the foothill of Peru's Andes Mountains is the site of one of the world's greatest mysteries. Etched, as if by giants, onto its arid, moonscape plains are immense lines that stretch for miles to form strange shapes recognizable only from the air.

Around 5000 bombs are defused every year. The documentary "Iron Harvest -WWII Bomb Hunters " focuses on the work of the experts from the ordnance disposal service - whose daily routine is the danger.

National Geographic s Lockdown series takes viewers headfirst into life in the gritty underworld of America's maximum-security prisons, where gangs are prevalent, predators stalk their next prey and inmates are armed with deadly weapons.behind bars to capture the drama and tension of prison life in America with eye-opening stories of prison officials who try to keep the peace in these miniature war zones and the inmates who spend every day underlock and key.

If you think of an iconic gangster, chances are the first person who'll spring to mind is fictional: Tony Soprano, Don Vito Corleone, Tony Montana. But how do they compare to the real thing?
National Geographic's Mafia Confidential delves into the story of one of the most powerful Mob bosses of all time, Salvatore "Toto" Riina. After becoming the head of the Corleonesi family in 1974, he came to dominate Italian organised crime through a ruthless campaign of violence and terror that continued even after his eventual arrest and imprisonment.

The two-part documentary series by Sea Dog TV International explores a set of islands on the west coast of Australia whose animals defy all laws of nature. The three islands lie side by side, but each is ruled by a different animal: the Quokka, the Little Penguin and the Tiger Snake. The film showcases the unique and diverse wildlife on Rottnest Island and other islands off the coast of Perth. Viewers will find themselves immersed as they discover and learn about the lives of the fascinating animals that call Rottnest, Penguin and Carnac Island their home.

TUT'S TREASURES: HIDDEN SECRETS is a three-part documentary series that explores the 5,398 objects that were reunited for the first time at the new Grand Egyptian Museum in Cairo, while investigating the life of a young leader who re-established Egypt as a world power.

Go beneath the surface for an extraordinary look and listen at these majestic creatures of the deep. Follow whales as they take us on an adventure of their family dynamic, hunting strategies, and social life.

National Geographic joins author and explorer Piers Gibbon as he investigates one of mankind's ultimate taboos: annibalism. Gibbon treks into the rain forest of Papua New Guinea to find tribe members who ate human flesh. And, meets members of the once-feared Biami tribe to witness their ritual techniques.