Going completely in with Multi-Level, yet highly immense and highly expansive would be a huge mark for the united states. Hell, if they go on a level larger than Phantasialand in this regard, that'd be a hell of a way to block sight lines.
My thoughts, is if IP's have been mostly locked for a while; it'd raise quite a few questions for projects rumored on the north.
I had this wish that if Universal were to surprise us with their own original land it would have been the World of Atlantis.....imagine a world all under water......ugh. That is for sure not happening. It's still in my blue sky world