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A sign at a Transportation Security Administration (TSA) checkpoint instructs passengers about the use of the full-body scanner.

Between lugging bags from terminal to terminal and the long security line - not to mention new enhanced screening techniques - who has anything good to say about airports? Author Alain de Botton, for one. He loves airports so much he ripped a page out of the script of the 2004 film The Terminal and spent a week living in London's Heathrow Airport.

What are your best and worst memories of airports? Were you stuck in Europe during Iceland's volcanic eruption, or this year's snows? Which airport would you choose to live in for a week?