Not really a "ride" per se, but I miss Discovery Island. That was VERY cool. When we went for my parents' 50th wedding anniversary, we even saw a "NIon school" group (with the Disney Institute) with the most amazing camera equipment doing photo shoots of the birds and such.
I really miss that.
I really miss that.
(don't fix what's not broken)

Luckily I can still visit him nearby...