Welcome to the monthly noob challenge 9 concept thread. Post concepts of environments you'd like to do next month as always vote. Please post a concept with your vote to give more options. This is this months going on now: http://www.polycount.com/forum/showthread.php?p=1864816#post1864816
You have good taste my friend. And none of these concepts (except for a few) are something you can do in a month, let's get more realistic concepts guys.