The Popular Mechanics Web site has a slideshow [2]on what it calls "The World's 18 Strangest Airports." From airports on artificial islands to airports with 18-hole golf courses, from runways with hills in the middle to ocean beaches as runways, this gallery provides a look at some truly remarkable airports.
Links:
[1] http://www.library.northwestern.edu/libraries-collections/evanston-campus/transportation-library
[2] http://www.popularmechanics.com/technology/engineering/architecture/4346192?do=print