‘The Hidden Map' Documentary Remembers Lives Lost in 1915 Armenian Genocide

April 24 is Armenian Genocide Remembrance Day. Director and filmmaker Ani Hovannisian traveled to Armenia to discover what remains of her family's homeland more than 100 years after the Ottoman Empire killed more than 1 million people and seized territory. Hovannisian's documentary "The Hidden Map" airs on NBCLX Friday, April 23 at 7 p.m. ET.