The Butterfly Garden in Terminal 3 is just one of the pleasant diversions at the Changi airport in Singapore. Wong Maye-E/AP hide caption

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A traveler walks by a Delta Airlines skycap kiosk at San Francisco International Airport. Justin Sullivan/Getty Images hide caption

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Delta CEO Pushes For National Airline Policy That Lets 'Free Market Work'
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A Transportation Security Administration volunteer demonstrates a full-body scanner at Chicago's O'Hare International Airport in March 2010. Scott Olson/Getty Images hide caption

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Tight quarters: Aboard a United Airlines Embraer-145, 50-passenger jet. (June 1, 2008 file photo taken at Dulles International Airport.) Paul J. Richards /AFP/Getty Images hide caption

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Julie Capper stands with her hologram at Manchester International Airport. Julie and her hologram work in the same area — which has created some confusion. Courtesy of Manchester International Airport hide caption

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Meet John and Julie: Holograms Beamed Into The Manchester Airport
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