El Pueblo de Los Ángeles

celebrating many events. Historic Sights Avila Adobe Avila adobe, the oldest adobe house in Los Angeles. Links A list of recommended websites, blogs and videos to explore Olvera. Olvera Street is in the oldest part of Downtown Los Angeles, California, USA, and is part of the El Pueblo de Los Angeles Historic Monument. Historically, it abutted the original Chinatown, which was later removed to its modern location to make way for Union Station. There are 27 buildings of various ages still standing on Olvera Street, including the Avila Adobe (1818), the Pelanconi House (1857), and the Sepulveda House (1887).