Good ideas don't have a shelf life. Take for instance the old VW Westfalia bus from the 1960s and 1970s; its fabric top popped up to create sleeping quarters that used the exterior side of the roof as ...

There's nothing quite like the moment you first see the top pop off of a VW Westfalia for the first time. It's like the world and the roof open up at the same time. For those who want that same ...