We've all seen goals scored from around the half way mark, but check out this beauty of a free kick. http://news.bbc.co.uk/sport1/hi/football/14777284.stm Gunamakeyafamous strike.
Best goal I have seen was a lad who smashed the ball into the skies from the centre circle, it could have been a centre back's clearance but it dropped, clipped the crossbar and bounced into the roof of the net. Keeper had bought a programme and pie (ie he was a spectator).