[Alex, The G and T]

Too many dozens of candidates. And tons of great titles named in this thread.

Here's a few that have stuck in my mind over the years:

Fritz Leiber, Gonna Roll the Bones for vivid imagery
Ambrose Bierce An Occurrence at Owl Creek Bridge wicked twist-turney
Edgar Allen Poe The System of Dr. Tarr and Prof. Fether Humorous Horror? tweaking the fine line between madness and sanity