Here is the zero-based graph:

http://www.coindesk.com/price/#2013-01-01,2014-03-31,close,b...

Edit: Or it would have been if the link worked.. But put the start date at 2013-jan-01.

The chart with a 0 y-axis is even uglier, actually. It more clearly shows that the price of Bitcoin has broken through a key support level. If this were a stock chart and you were trading the technicals, you'd be contemplating a short position here.