Wow, lots of cool things here.
Fantasies: Hopefully we can dump the gondola idea right now. I'm undecided about "The Glacier" - at first glance it seems tacky, but I'm sure they said that about the Statue of Liberty, the Eiffel Tower, and Gateway Arch. It doesn't even seem like it has a function, though.
Pools/Saunas: Sounds wonderful at first glance. Clearly the designers have Copenhagen on the mind - but
ironically, BIG's design doesn't seem to include baths. I wonder if we have the civic culture to support these kinds of establishments in public places? CPD's swimming pools are not exactly the most sanitary places. Maybe with a modest admission fee, it would work.
Elaborate Viewing Structures: Interesting, I guess. I think the views are fantastic as-is.
Winter Garden Stuff: Clever ways to repurpose an 80s/90s cliche. I hope the design can allow people to interact with the landscape quietly (i.e. isolated from the carousel).