Sir David Jason is on a journey to discover the machines that made America and changed the world, travelling by plane, train and automobile down the west coast of America. In this episode he takes a unique helicopter ride into the heart of a slumbering volcano, gets into the seat of a drag racing car, takes to the road in an iconic American truck and takes to the skies in a vintage WWII warbird.

In this episode he takes a vintage school bus ride through Oregon to visit the awe-inspiring Crater Lake, goes behind the scenes on a San Francisco cable car, joins up with the legendary Buffalo Soldiers motorcycle club and takes to the air in a vintage Vietnam-era military helicopter.

In this episode, David rides a Wild West stagecoach and vintage locomotive, goes Dune Buggy do-lally and launches a pretty impressive rocket.