Byline: City of San Antonio The World Heritage Office and its collaborative partners present the third annual Music & Movie Under the Stars, as a tribute to San Antonio’s legacy as Military City, U.S.A. Bring your lawn chairs, blankets, and picnics to enjoy a free screening of the Marvel favorite, “Captain America: The First Avenger,” shortly after dusk. This family-friendly event will feature family activities, presentations by military historians, musical performances, food trucks, and more.