Open House: Washington, DC Posted on 19 May, 2013 by ehlsguest Loading Map.... Georgetown University, Mortara Center3600 N Street NW - WashingtonDetails 38.9067024 -77.07029820000002 Date/Time: Sunday, May 19, 2013 1:00 pm - 4:00 pm Location: Georgetown University, Mortara Center 3600 N Street NW Washington, DC 20057