545 Old Main Dr. (Building #9)
Originally built to house a literary society in 1856, the brick Gothic Revival-style Diagnothian Hall flanks Old Main, opposite of its twin, Goethean Hall. 
Offices
Parking
Visitors may use Marshall-Buchanan Parking Lot (D) or, after 4:30 p.m., Old Main/Distler Parking Lot (C).