or the Lamborghini Veneno, with only five of these ultra-rare models ever built. Both of these are put to shame by a wacky Citroën bus, however, as just three were made and only one is now left ...

What happens when you take a 400,000-mile school bus and decide to turn it into an off-road monster? Well, I just found out! I bought this $1,800 bus, and instead of using it for normal transportation ...