Former aerospace engineer Justin Cunningham tries to keep the Glasgow Tower turning, and Tomo Umewaka helps engineers in Osaka keep their airport from sinking into the sea.
Justin climbs on top of a stadium roof that is held up by air and in danger of collapse. Meanwhile, Jimena Gascon discovers why Mexico City's Metro project has been...
Justin uncovers the truth behind a catastrophic landslide that wiped out a ski-jump resort in Turkey, before jetting off to Gibraltar to see an airport runway built across a road.
Would you ever believe a skyscraper can melt a car? Justin heads to London's Walkie Talkie building to unearth the science behind this bizarre building blunder.
Justin braves the turbulent North Sea as he goes inside an offshore wind turbine to see how engineers are fixing a fault that could cause these structures to fall into...
Justin's in for a bumpy ride as he investigates gigantic potholes in Louisiana. Later, he heads to London to get a sneak preview of London's vast Crossrail project.