The Desert House is about 40 miles outside of Palm Springs, sited on a pile of boulders at the edge of Joshua Tree National Park, and it was finished in the early 2000s, long after the heyday of post-and-beam modernism. Yet there may not be another residence more attuned to the hardened landscape of the Coachella Valley than Kendrick Bangs Kellogg’s most outré experiment in organic architecture. Its cast-concrete roof slabs evoke any number of desert sights—the fronds of a palm, the faces of stones, even the armored plates of an armadillo.