I'll submit Wellshire Golf Course in Denver, which has Ross' name on it.
I've speculated previously that this may be one of the Ross designs built from plans, but even in that context it's just not a very interesting golf course.
But then again, I know very little about the history of the course. As it exists now (or when I was playing it 20 years ago) it seems very much the standard muni with straight, tree-lined fairways and bunker front left and front right of most greens. But maybe when it was built it had more interesting green complexes and a cross bunker or two, and those have been plowed under over the years.
But, as it exists now, I very much recall learning that I had played a "Donald Ross" course numerous times, and thinking ... what?