Fishtail, Montana, is a very small place—its population is listed as 478—but everything else about it is immense: the snow-capped Beartooth Mountain range in the distance and that legendary big sky, a bright blue bowl stretching across the horizon. The panoramic views in every direction somehow feel greater than 360 degrees. Within this extraordinary setting, a surprisingly intimate new structure by Diébédo Francis Kéré offers a vantage point from which to connect with the great western landscape.