These are models I did for Gothic IV back in years 2008-2009.

korshan ruins

korshan ruins wireframe

stewark bridge

stewark bridge wire

setarrif ruins

setarrif ruins wireframe

thorniara fortification

thorniara fortification wireframe

setarrif watchtower

setarrif watchtower wireframe

setarrif unique

setarrif unique wireframe

witch house

witch house wireframe