The Outer End is a biome that has been accessible since the release of The Combat Update. The area consists of floating islands of various sizes, scattered throughout the surrounding void. Chorus Plant forests, and massive End cities can also be found here.
To teleport to the Outer End, a player must:
It is possible to physically build a bridge to the islands of the Outer End, but this isn't a viable option, as the gap is around 1000 blocks long. Another way of accessing the islands is by using elytra and firework rockets. The outer End consists of a number of large islands, with chorus plants and End city structures. Another way to get there is to build a redstone contraption that would take you there, but that would take a really long time.