The Wallis Annenberg Building is a building located in Exposition Park, Los Angeles, California. It was built in 1912 and designed by architect J.W. Wollett. The building served as the armory for the 160th Infantry Regiment between World War I and World War II The armory hosted the fencing competition at the 1932 Summer Olympics as well as the fencing part of the modern pentathlon. It seated 1,800 for the event.