National Geographic regularly goes behind the scenes of some of the most impressive automotive assembly facilities on its "Megafactories" series. Broadcast in some markets as "Ultimate Factories", the series is now in its fifth season. Of the dozens of episodes which the series has filmed to date, it has visited Bugatti
, Harley-Davidson, Peterbilt Trucks and dozens more. But for its latest installment, the NatGeo program visits the factory in Tochigi, Japan, where Nissan
builds the GT-R.