Me and my friend found this he glitched there.I dont know if someone posted but its called the Twisting Nether its kinda like wierd nothingness and its outside the barrier of the outlands.
.worldport 530 -11.307996 9.286511 500.000000
WARNING:TURN ON .CHEAT FLY BEFORE ENTERING IT
if you dont youll fall and fall and eventully die and its kinda hard to get out