Iceland Volcano Travel Resources
Nothing puts you in your place quite like an erupting volcano. It's pretty amazing how effective Iceland's Eyjafjallajokull volcano has been at disrupting European air travel. It's had a ripple effect for travelers around the world. Though flights have resumed, I've heard that the volcano, should it erupt again, could continue to disrupt travel for the next 13 months. Johnny Jet has put a resource page together covering all things volcano. You might want to check out should you be planning to fly to Europe this summer.