Pretty much what it says in the title: which crocodilian exhibits do you you think are the best? (Not sure if it's necessarily the best, but the American alligator exhibit at the Phoenix Zoo did stick out to me because of you can see them from a boardwalk, which I'll admit, I've never really experienced at any other zoo.)
Only one that immediately jumps to mind is the gharial exhibit at the San Diego Zoo. Interested to see what others mention.
I'll do a double pick here: The best outdoor crocodilian enclosure I can remember clearly is the American alligator enclosure at the Auckland Zoo: Auckland Zoo: circa 2011 - ZooChat The best indoor crocodilian enclosure I've seen is the Berlin Zoo Aquarium's crocodile hall; View of Tomistoma exhibit - ZooChat I visited it back around 2005, when there was still a hodge-podge of all sorts of different species living there. I would love to return there soon.
My all-time favorite crocodilian habitat is the Indian gharial pool, part of Fort Worth Zoo’s MOLA complex. The views, naturalistic details, and mix of smaller turtles and fish species are absolutely fantastic.