Alphatecture brilliantly executed by Peter Defty. He is a professional photographer based near Leeds, in the UK, and takes these photos all over the world. They remind you to look up once and a while. maybeitsgreat: ALPHATECTURE by Peter Defty, UK
"Vertical Landscape" by Eiko Ojala. It looks like a paper landscape but the artist actually works digitally and hand-draws all the elements to look like they're cut out of people. (Hint: the shadows help!