Good, clear presentation of Seasonal Window Considerations for Passive Solar homes. Windows must be climate sensitive: check to see if they show be double or triple paned, or even covered with a thermal shade in coldest climates.
Acid-stained Concrete Patio -- Looks like copper! Click the pic for a brief how-to video on doing this technique. I'd love to do this, although I wonder if the acid stain is bad for those plants around the patio.
Glass-Block Trellis Add privacy to a patio with a trellis punctuated by glass blocks. The light pattern that shines through the glass blocks, changes with the movement of the sun. The homeowners chose heavy wood posts for the pergola