10/ The airport of Saba, in the east of Porto Rico has a very small runway and is surrounded by sea and mountains. Only 3 types of airplanes have permission to land.
rapidtravelchai.boardingarea
11/ Funchal airport, upon approach is very daunting, nestled between mountains and sea, it is imperative pilots know what they are doing!
structurae.info
12/ On the island of Barra in Scotland, the airport is on the beach and airplanes can only land on low tide.
photos.coilleais.com
13/ The spectacular airport of Kaï Tak in Hong Kong, closed since 1998.
flickr.com