Largest Plane: Stratolaunch

E1

Test pilots and engineers embark on the first flight of the largest airplane ever built: the Stratolaunch, a one-of-a-kind aircraft designed to transport rockets, spacecraft and experimental hypersonic planes into the stratosphere.

World’s Greatest Waterworks (South-North Water Diversion)

E2

Engineers in China are constructing the largest and most ambitious water transfer project in human history, defying nature to move vast quantities of water from the south to the dry north in Beijing, all without the use of pumping stations.

Kings of the Battlefield (Infantry Assault)

E3

Explore three battlefield behemoths that command land, sea and air.

Titan on the Water (The Falkirk Wheel)

E4

The Falkirk wheel is the first and only rotating boat lift, capable of moving 600 tonnes of boat and water over a 25-metre height difference in just minutes.