We were taken aback by this beautiful photo by Samer Farha in the DCist Flickr pool this morning. After only a quick glance at the tag “Library of Congress,” I was trying to place this building somewhere in the city, but then realized this is a shot of the gorgeous architecture of the National Audio-Visual Conservation Center, out in Culpeper, Va. Tucked in the Blue Ridge Mountains, both American and international film, television, and…