The Armenian Genocide Martyrs Monument, better known as Montebello Genocide Memorial, is a monument in Montebello, California in the Los Angeles metropolitan area, dedicated to the victims of the Armenian Genocide of 1915. The monument, opened in April 1968, is a tower of eight arches supported on 75-foot-tall (23 m) white concrete columns. The memorial was designed by Hrant Agbabian. It is the oldest and largest memorial in the United States dedicated to the Armenian Genocide victims.