With Iceland's volcanoes potentially destroying airplanes we've found a new use for Europe's deserted runways: drive on them. It's the dirty black cherry on top of the expanding ash cloud. (Photo Credit: eff J Mitchell/Getty Images)

These latest UK Met Office predictions show the Icelandic volcano Eyjafjallajökull's air travel havoc-wreaking ash cloud moving its smoky tendrils closer to North America and the United States. It's comin' right for us!

As volcanic ash spreads from an eruption under a glacier in the Eyjafjallajokull region of Iceland, the British have taken the drastic step of locking down the country's airspace. Here's why.