#6 Amsterdam Schiphol
Yearly passengers: 45,211,749
Special awards: Best Airport Leisure Amenities (#3) and Best Airport For International Travel (#3)
Why its awesome: Schiphol opened in 1916 as a military airfield and has now transformed into one of the busiest airports in the world. While travelers wait for their flight departures, they can enjoy a massage or play a game of poker at the casino.