Dans l'Ombre Des Francs-Maçons

Into the Lost Crystal Caves

NGC goes inside one of the greatest natural marvels on the planet - a giant crystal cave described as Superman's fortress, with magnificent crystals up to 36 feet long and weighing 55 tons. A team of experts venture into the cavern, enduring scorching-hot temperatures that could kill a human after just 15 minutes of exposure. They'll push the boundaries of physical limitation to explore a crevasse that could lead to another - and perhaps more spectacular - crystal cave.

9/11: Cleared for Chaos

On September 11, 2001, the unimaginable transpired when devastating attacks on the World Trade Center forced the shutdown of the entire U.S. airspace. Thousands of kilometres away in Gander, Newfoundland, a group of Nav Canada air traffic controllers suddenly had the lives of 33,000 people in their hands and had to think fast to find a place for them to go. Discovery uncovers how these unsung heroes managed to safely land 224 planes in four hours, without incident.

Freemasons on Trial

Dispelling rumours about Freemasons, the two-hour programme helps to distinguish facts from fiction behind this enigmatic group with millions of members worldwide. For the first time, Masonic temples around the world open their doors and provide exclusive coverage for "Freemasons on Trial".