These are some of the beautiful images Cassini provided in its mission. Obviously this is just a drop of examples, but the beauty is undeniable.
An amateur fan of the mission, made a video about it:
Watch live on NASA TV, if your schedule can support it. Expected start of the final signals will end (Earth Time) September 15, 4:55:06 AM PST. Descent into Saturn will start near 1:37 AM PST.