Land of Dragons - The Emperor's throne room, I suppose.
Beast's Castle - The Ballroom
Port Royal - In the room with the Cursed Medallions.
Space Paranoids - MCP's room after the boss battle.
Disney Castle - Throne Room or Cornerstone of Light
Twilight Town - The Clocktower, most likely. Or the Mansion.
Pride Lands - Pride Rock itself.
Castle of Dreams - The Castle Courtyard or perhaps the stairwell just before the ballroom
Enchanted Dominion - The woods, where Aurora/Phillip meet.
Dwarf Woodlands - The Magic Mirror? Or at least in the Mirror's room.
Pinocchio - Based on the movie, I'd say Geppetto's home, but since that doesn't appear... Somewhere underwater?
Hunchback - Notre Dame, the stained glass windows most likely.