I was just looking for my next desktop wallpaper...and I came across this concept art piece for GW2.
Please god, let this make it into the game.
No, your eyes do not deceive you. I believe that is indeed a city, on an iceberg, with sails. They are sailing around on an iceberg city
. And it has a cave at the front where full-sized regular sailing vessels can be drawn inside to dock.
That, my friends, is awe-inspiring.