The UST Manila campus was declared a National Historical Landmark by the National Historical Commission of the Philippines on 24 May 2011. Four of the University's structures are also declared National Cultural Treasures by the National Museum: Main Building, Arch of the Centuries, Santissimo Rosario Central Seminary, as well as the Grandstand and the University field. UST is the first and only university campus to have been named a National Historical Landmark and the only learning institution in the Philippines as location of National Cultural Treasures.