Massive Black, the full production artwork studio for numerous films, comics and videogame studios, posted a bucketload of terrific concept art and illustrations on this thread in the Concept Art forums.
Here are a few select illustrations and artworks from the thread:
Link to the thread.
Related posts:
Fine Art Black and White Photography by Kevin Cable
Peter Johnson’s Powerful Black and White Photography
The Psychedelic Illustrations of Matt Chu
Turquoise: The Illustrations and Photography of Abstrusa
Wonderfully Beautiful Illustrations by Asya Lisina
The Stunningly Detailed Illustrations of Ramiro Pasch