Game of Thrones is probably the most popular TV series right now and despite the fact that I am not a fan of the show I have to say that I love the aesthetics and art direction of the show.
The third one is really strong
Matte Painting by Sorin Bechira
The Digital Matte Paintings and Character Art of Veteran Artist Jaime Jasso | Psdtuts+ Wow!
Making of "Welcome to 2010" by jamajurabaev.deviantart.com on @deviantART
Sci-fi Matte Paintings close-ups and walkthroughs by Sebastien Hue, via Behance
matte painting tutorial by ~pirsion on deviantART
Homework for the 2nd week of CGMA Matte Painting course , Sergey Grechanyuk on ArtStation at https://www.artstation.com/artwork/odnPk
30+ Great environments concept art and illustrations
planets of the universe (or so far discovered) Earth, Voltherin, Sovegnbark, Xalenthia, and Junedral