sceneray design .. where to start??

hello sir
i am mediocre in opengl. i am interested in knowing how to design a scenery . just like we have different sceneries of airports in FS2002. i am interested in such type of sceneries .where to start?
my second question is can we load such tpe of scenery files like in flight simulator 2002 that we can easily find using opengl and VC++ win32 API. can ayone guide me
thaks in advance

You may want to ask this question in the coding sections on this siteā€¦