Atlanta, Georgia (USA)
Atlanta has one of the world's biggest airports, but it needs a bigger team of border guards. Of all the places I have been in the world, this was the longest and most frustrating delay. From the narrow bottleneck at the bottom of the escalator where a pile of people was almost created to the electronic finger-printing and passport stamps, it took over two hours. But unlike my previous experiences of America, at least the border guards were friendly.
So, by the ...