When the world is nearing it's end - or you just need to get to the Selfridges sale before anyone else - these are the modes of transport for you.
The Dobbertin Surface Orbiter. Built out of an old milk tanker, the Orbiter was designed to circumnavigate the globe on land and water, which is good for when you're on the move and forced to deal with the suddenly changing seasons that the nuclear fallout will likely bring. And like all good survival vehicles, it comes complete with a kitchen and porta-potti. It nearly made it around the world, but financial problems and an eventual divorce led to the trip getting cut short.
Full list at Jalopnik.