Click here for the link to theVoid1313's Infinichest, with the original idea. I give theVoid1313 credit to this idea.
Infinichest
Chest within a Chest within a Chest within a Chest, so on.
This map will be updated, as the overworld is not fully done yet, then the void, then the end, infinichests will be made.
If you want just a bit more in depth explanation goto theVoid1313's page.
Screenshot:
