Here is one to get the list started:

Check out the Photo Naturalist  http://www.michaelquinton.com/blog/ and Michael's website at http://www.michaelquinton.com

The New York Times has a regular blog called THE LENS.  Here is one that is on something we all see, but rarely think to photograph... dust bunnies!
http://lens.blogs.nytimes.com/2015/01/29/swept-away-by-a-love-for-dust/?module=BlogPost-Title&version=Blog%20Main&contentCollection=Multimedia&action=Click&pgtype=Blogs&region=Body