On a snowy prairie in Minnesota stands a monastery like no other. For half a century, the existence of this modernist masterpiece has been mainly known to the Benedictine monks who worship there, and the hordes of architects who make pilgrimages to Saint John's Abbey Church each summer. But these days, it is finding new fame as the basis for "The Brutalist," the epic drama about an immigrant architect, haunted by the Holocaust, that is a favorite to win best picture at the Oscars. IMAGES AND SOUNDBITES