As far as I can tell, that's the southernmost White Castle location, right across from a Krystal. So we did what any sane person in the same position would do - taste them both side-by-side.
We'd really rather not choose a favorite, as they both have their own distinct charms, but we can whole-heartedly recommend constructing your own Krystal / White Castle double burger combo (White Castle on top, Krystal on the bottom):
