Researchers found that passport screeners have an error rate of about 15 percent when they're evaluating whether faces match passport photos. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Airstream travel trailers bring to mind the golden age of camping. But they're popular in the modern era, too: Airstream's trailer production is at its highest level since the 1970s, and travel trailer sales this year alone are up 33 percent. Courtesy of Airstream hide caption

itoggle caption Courtesy of Airstream

Passengers wait in line at Hartsfield-Jackson International Airport on Thursday. A major snowstorm has delayed flights from Atlanta to New York. David Tulis/AP hide caption

itoggle caption David Tulis/AP

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

itoggle caption Wong Maye-E/AP

Passengers wait for a BoltBus to arrive during a light rain, Wednesday, Nov. 27 in New York. A wall of storms packing ice, sleet and rain could upend holiday travel plans as millions of Americans take to the roads, skies and rails for Thanksgiving. Mark Lennihan/AP hide caption

itoggle caption Mark Lennihan/AP

An Airbus A320 on display during Airshow China 2012 at China International Aviation Exhibition Center in Zhuhai on Nov. 13, 2012. Increasing prosperity and urbanization in China and elsewhere in Asia will drive the global demand for aircraft, Airbus said Tuesday. Marina Lystseva /ITAR-TASS/Landov hide caption

itoggle caption Marina Lystseva /ITAR-TASS/Landov

An image from a demo of the Stuck on Earth app, which Lauren Goode of All Things D calls "a photographer's dream." Stuck on Earth hide caption

itoggle caption Stuck on Earth

Here goes nothing. A big jump over the Zambezi River in Africa. James Whatley/Flickr hide caption

itoggle caption James Whatley/Flickr

Kelsey Blodget of Oyster.com photographs the lobby of New York's Trump SoHo hotel. The website relies on tech-savvy workers to create online reviews and track hotel bookings. Oyster.com hide caption

itoggle caption Oyster.com