Citroën Survolt Concept(Photo: Michael Bettencourt)

Walking around the Geneva auto show in search of concept cars to photograph is like looking for sand on the beach: they're everywhere, or at least seem to be. The tough part is picking out the truly zany concepts from the simply outrageous body shapes produced by the smaller, boutique automakers in Europe, where the early auto-making tradition of design houses fabricating a unique body for monied enthusiasts has never quite fully gone away.

Here are the top 15 concept cars from this year's Geneva show that demonstrate one can still have fun in the car business, even after an economically disastrous 2009.