I keep toodling around the idea of building a garage on the north side of the house that has an apartment above it, just in case we need rental income. This one is gorgeous.
Also on these boards
Enhance an Existing Structure. Pergolas are commonly freestanding structures -- but you can attach a pergola onto the side of your house, shed, or garage, too. It's a great way to save space and add interest to an otherwise ordinary wall BHG.com