Megastructures

Latest Episodes

• Season 4 Episode 5: Rockeaters

  The extraordinary feat of engineering required for the building of Europe's biggest dam, the Karahnjukar Hydroelectric Project in Iceland. The venture combined the waters of two rivers in the east of the country to make it the biggest construction project ever seen in that land, but has resulted in complaints being made by environmental protesters. Last in series

• Season 4 Episode 3: The World's Biggest Cruise Ship

  The Finnish construction of cruise liner Freedom of the Seas, which was launched in 2006 and, at 18 storeys in height and a quarter of a mile in length, is the largest in the world. As cameras show the many features such as the surf park and ice rink, experts investigate whether at 160,000 tonnes this is the maximum size ocean-going technology will reach before having too great a mass to float

• Season 4 Episode 1: Sinking an Aircraft Carrier

  A specialist demolition team attempt to create the largest artificial reef in the world by sinking the aircraft carrier USS Oriskany. As they battle through thick steel plating and hazardous waste, the workers are aided by marine architects, divers, engineering units and local authorities