With its vibrant diversity of attractions and facilities and the ground-breaking design that creates maximum visual impact, Singapore's Marina Bay Sands development is bound to become a timeless landmark. Seldom before have so many challenges been encountered by engineers and builders. As the complex involves hotel towers, a museum, casino, waterfront promenade, theatres and a skypark - all being worked on simultaneously, it is one of the largest and most complex construction sites that engineers ever had to deal with.

NGC steps into the world of garbage in California's Puente Hills landfill, America's biggest landfill, to uncover the inner-workings at LA's filthiest suburb.

Dubai is on a mission: to become to top tourist destination on the planet. This Emirate has almost tripled its coast line, by building a palm-shaped city at sea. Now Dubai plans to put itself firmly on the map by recreating the world, three hundred man-made islands constructed out in the Arabian gulf. It’s the biggest reclamation project ever undertaken. The world can only be built of natural elements they demand by the shape. But it must define nature’s most destructive force: the sea. Engineers will battle against time and nature to create this man-made wonder visible from space. But will this creation of this mega structure push Dubai to the limit?

We look at one of the gas industry’s riskiest projects ever undertaken. By 2008, Britain will be connected to Norway via a 1,200 km super pipeline. It’s composed of over one million tonnes of steel and equating to a 1/3 of the world’s combined pipeline production company. Yet all of the work must be completed by robots working 3 km under the North Sea against harsh underwater currents, sub-zero temperatures and abysmal wind and wave conditions.

A team of workers in Alabama is creating the largest aluminium vessel of its kind for the waves of Hawaii. This 'super ferry' will hold shops, restaurants and 300 cars.