Evolution Impossible: Geological Evidence for a Catastrophic Global Flood

One of the landmark events in the Bible is the Flood, which the book of Genesis tells us covered the whole Earth. That would be a pretty incredible flood, and yet some scholars maintain that the flood was only a local event which impacted a region in the Middle East. But what we want to know is: where does the scientific evidence point? Does it point to a local flood or a Global Flood?