The Door in Ventureland is a quest in Epic Mickey given by Smee shortly after Mickey enters Ventureland. Completing this quest is mandatory to proceed through the rest of the game.
To complete the quest, Mickey must gather three items for Smee to open the door that leads to Tortooga: the ship's wheel, figurehead, and compass. Once all three items are retrieved, they can be given to Smee, and the door will be unlocked, uncovering the Projector Screen to Tortooga.