The West Shroud - It was completely destroyed in the Calamity. This is what's left of it, as seen in the distance from the Central Shroud in ARR


There isn't really an equivalent view in 1.0 but here's a place called Lichenweed in the West Shroud as it was then.


It'd be kinda cool if the West Shroud was re-introduced in 7.0 or something...

"Ah, Warrior of Light... our scouts have finally found a path to the West Shroud. There's a strange concentration of aether in the area and two of our scouts have gone missing..."