Best/Most iconic First Level/Intro in a Game?

[firebush03]

I thought there was a thread on this very recently? I remember giving my usual response: The Great Plateau, The Great Sky Islands, and Bob-Bomb Battlefield.

To add: Sonic has an incredible track record when it comes to opening levels— Green Hill Zone, Palm Beach Panic, Emerald Hill Zone, City Escape, Emerald Coast, etc.