Torn down house with an odd blood seeping through the walls, floor, and ceiling, camera effects applied every 3 miles you go in, either good effects or painful-to-the-eye effects
Empty black void with a floor covered in ink with an occasional blue pulse in the sky, many torn down wood structures.
A small looping metro that can bring you to any level from 500-599. small colonies and lots of vandalism
Hot air balloon city that is apparently above level 1045, hot air balloons are not attached so you need other ways to traverse across them.