There is an artist by the name of Zander Olsen that has been stuck in my head for a month or so. In fact, these photographs from his Tree, Line collection became the inspiration for our current Elements of Nature window display at Anthropologie on the Las Vegas strip. His work, carried out in Surrey, Hampshire and Wales, constructs a visual relationship between "tree, not-tree" and the horizon line that appears so simple until a white material is wrapped around the trunks to show each dip and rise along that far off line.
I've gone cross-eyed so many times while looking at these pictures.
I especially like this conposition