The Lord of the Rings is like the Civil War, the Boston Red Sox, and Bob Dylan. There's so much to it that even if you don't take a personal interest, you have to respect the many who do.
Their enthusiasm, in turn, can take many forms. Chief among these are the pious, as in graphic artist J.T. Fridsma's painstaking visualization of the intersecting courses charted by the individual members of the Fellowship of the Ring:
...and the silly, as in this video from the popular parody site "How It Should Have Ended":