The facility is made up of hundreds of buildings spread over more than 230 square miles, and bunkers dot the sagebrush-covered hills visible from the highway.
Since this isolated county was created in 1882 in sagebrush-strewn central Oregon, its inhabitants have successfully picked 26 consecutive winners, from Grover Cleveland to Ronald Reagan.
It marks what some people consider the northern border of the Great Basin and sits upon the farthest shore of what author Stephen Trimble calls the Sagebrush Ocean.
Surrounded by the Pioneer Mountains, Divide was nestled in a flat-backed valley sprinkled with sagebrush and half-burnt two-by-fours, a reminder of when people actually used to live here.