Since it's a single linear storyline, teleportation might not be added.
But there will be a gallery mode, including players and npcs. ( ̄︶ ̄)↗
Then what about multiple save files? That way you can be going through the game and save at those locations on that save file and when you're at a different location you use a different save file. Then once that version no more areas you can go to your other save file and do whatever you want there.
Good idea or noteworthy idea