This guy draws really nice backgrounds. :D
http://www.mangago.zone/read-manga/blame/
Yeah it's pretty good. Thanks!
My favourite art: http://www.mangago.zone/read-manga/adekan/
Shounen ai but this author, particularly this Manga, has some really nicely drawn nature scenes. Their other works, like Kimi no Yoseru blue, has some nice panels
http://www.mangago.zone/read-manga/tsumasaki_ni_kourozu/
Do anyone knows manga with really good (well drawn) background art (of any genre) like Asano Inio works or "Yotsubato!"?