The homeowners then brought on architect C.P. Drewett, who nestled the three-bedroom house into the landscape so that it hugged the distinctive boulders that jut up from the desert floor. With the 3,169-foot-high granite summit of Pinnacle Peak looming to the southwest and the Sonoran Desert fanning out in every direction, the home embraced both the couple’s new leanings and the site’s spectacular locale.