Well-placed boulders cleverly conceal an outdoor shower, providing privacy yet keeping the open-air feeling.The project took 20 months from start to finish, including all of the extensive site work. "On a project like this, it's always scary at the beginning to see how much needs to be done. It's a wonderful feeling to get it right, down to the smallest details, and execute something extraordinary," says Wetzel.More: Architect's Toolbox: Wash the Wall With SunlightHouzz Tour: Gracious Hacienda in Mexico