History in the San Luis Valley is preserved by the building skills of past generations. Shown clockwise from above, a final remnant of School District 1 in San Luis has viewed more than a century of life in Colorado's oldest town, an adobe structure with many doors overlooks the world in Conejos County near Mogote and a brick structure which may be the first LDS church nestles among trees in Richfield, just east of La Jara.