Zurich airport had this for (literally) decades.
They also put a page together specifically for plane spotters.[1]
[1] https://www.zurich-airport.com/passengers-and-visitors/shopp...
They also put a page together specifically for plane spotters.[1]
[1] https://www.zurich-airport.com/passengers-and-visitors/shopp...
Looking at this they seem somewhat of a german specialty, but now with entry fees at bigger locations.
https://eu.usatoday.com/story/travel/columnist/hobica/2013/1...