Secret stash: check out Porsche's priceless old prototypes and concepts

Some manufacturers crush old concepts and never let one-off prototypes see the light of day – but not Porsche. No, instead the German sports car company keeps them together in a priceless warehouse of wonders.

We, of course, wanted to see what this special place was like, so dispatched Top Gear Magazine’s Tom Ford over to Germany.

Join him, in the second episode of a three-part series, as we uncover Porsche’s oddball ideas and curio what-might-have-beens.