The story of the discovery and exploitation of the Baku Oilfields in the Russian Caucasus, which forced Stalin and Hitler to face-off in the battle of Stalingrad.

Fiat didn't just make cars: they made trains, they made planes, and like modern-day kingmakers, they made and broke governments too.

While America had Ford or Chrysler or Buick, Hitler also wanted a car that would transform his nation: the 'people's car' - a Volkswagen.

The incredible story of the arms race to create America's nuclear arms factories.

Japan would create arguably the greatest fighter in WW2 - the Mitsubishi Zero. But their failed War Factories would ultimately reduce the Zero to a Kamikaze plane.

Long before Henry Ford, Samuel Colt was the true father of mass production. Ironically, it was the inadequacy of Soviet factory production which made the AK47 so effective.

The First World War led to a number of astounding war factories, which laid the foundations and paved the way for modern factories of today.