11Amsterdam Schiphol Airport (AMS)
Source:iaminamsterdam.com
Last year, 58.3 million people used this airport, and it is one of the largest ones in Europe, serving as a hub for Delta, Transavia, and KLM. Interestingly enough, numerous leisure activities are available, and there is even a library so that you can go and read while you wait for your flight. This airport has been opened since 1916.
