You can just Google it.
Basically, it's a place where community of some app/group/team etc. contribute to pages about items in the app, groups, teams etc. to allow other people to find out more things about them.
Here, you will be able to find out everything about buildings in TT and other things.
sol.png Hello fellow TheoTown players, Here is my "Statue of Liberty" plugin made using services provided by good guy Google. The texture is made from 3D view of New York found on Google Earth, so it is not perfect. You can find a lot of mistakes, but I like it so I'll just say the building is very...