Ensuring its residents are always physically fit, this "3 Way House" includes a rock-climbing wall in its courtyard that can be used to access its multiple floors and a rooftop patio.
Oddly enough, the architects who designed the house at Naf Architect & Design seem to have an aversion to stairs. You can still access the second storey and patio if you're not feeling up to strapping on a harness and tackling the climbing wall, but you'll need to settle for a set of angled ladders, like you were entering a treefort. What's the secret password? [Inthralld via TechEBlog]