The FLIZ Pedal-Less Bike Concept
Saddle up! Oh wait...Finding your bike too conventional? In the "crazy ways to get around" category, the FLIZ pedal-less bike is certain to turn heads. While it's not the most practical bike-variation I've seen, it has the benefit of actually working, unlike some other prototypes. I doubt it'll catch on because, unlike on a bike, you have no gearing, but it's still an interesting idea.
Check out the video below to see it in action:
For more details, check out the official FLIZ website (you might need to use Google Translate if you can't read german).