The Cathedral of San Diego, officially known as the Cathedral of Our Lady of the Immaculate Conception, is the mother church of the Roman Catholic Diocese of San Diego. Located in downtown San Diego, California, it was completed in 1936 and features a blend of Gothic and Spanish Colonial architectural styles. The cathedral is known for its stunning stained glass windows and beautiful interior. The cathedral serves as a central place of worship and community events for the local Catholic population. It also hosts various religious ceremonies, including weddings and baptisms, and is a popular site for tourists interested in its historical and architectural significance.