The Dutch sport of Fierljeppen (literally translated as 'far-leaping') is essentially pole-vaulting over a canal, except it's far more impressive than it might sound.
Here's record holder Bart Helmholt a few years back. His current record stands at 21.51 metres
Now before any of you rush out to try this in your local canal or stream, consider these next two clips
Still not convinced?
Plus, do you really want to end up in the Royal Canal?