We were talking about this the other day. Here is a very compelling list of the coolest tracking shots in film history. The link is to
If we expand the definition of film to include made for television movies, then I would HIGHLY recommend adding the six minute continuous long take from HBO's "True Detective." The scene actually goes over walls.
(For some reason, YouTube will not let me embed the video, so here is the link: http://youtu.be/s_HuFuKiq8U.)