Pros:
Outstanding bluff-top view of Red Wing, Barn Bluff and the Mississippi River.
Concrete Tees
Park is worth visiting without the disc golf. Feel free to disc golf while you're there.
Cons:
Long/short tees don't really make for different shot shapes--they just add length. Few real obstacles.
Other Thoughts:
I played this on my way home from the forced sale of my sailboat, which was occasioned by me losing my job. I wasn't having a good day, and I was pretty much bawling the whole way to the course.
By the end of the round, I felt lighter and calmer. I spent a good deal of time looking out over the valley before heading home.
I think the stabilization of my mood says something about the serene power of Memorial Park, and that of disc golf in general.
Regarding the "castle", if you're thinking Windsor or Caernarfon, you will be pretty disappointed. If you're expecting "cutesy little tower", you're right on the money.