And, the most disturbing thing I have ever read...
the jilting of granny weatheral
An occurence at owl creek bridge, yes! the moment right before his death!
Similarly, Waiting for Godot. The moments that last an eternity. Both can be considered existentialist stories.
Now that is a blast from the past....
the jilting of granny weatheral. 7 page short story:
http://www.barksdale.latech.edu/Engl%20308/THE%20JILTING%20OF%20GRANNY%20WEATHERALL.doc
Interesting message. Apparently, if you don't come to grips with unfinished business, it will come back to bite you on your deathbed.