Habitat Location as a Focus?

[Worldtree]

This article on Intra-Habitats touches on a lot of interesting things you could put inside a space hab.

lots of possibilities for microclimates and specialized exotic ecosystems, for anyone who doesn't want to make an entire planet of liquid nitrogen oceans 



-as todd mentioned, more interesting waterfalls following the interesting properties of spin gravity 
-also if anyone needs perspective references of habitat interiors for drawing, there's so many, but I have a file of reference diagrams too.  

-habitat swarms also kind of create an inversion of the 'one environment planet' trope by making a collection of 'one environment habitats'  that also happen to be reachable within space-opera-reasonable amounts of time. Travel from "Not-Hoth", the snow orbital to "not-Tatooine", the desert orbital in a physics-accurate week-month of travel.