The Cathedral Basilica of St. Augustine is located in St. Augustine, Florida, and is the oldest Catholic parish in the United States. Established in 1565, the cathedral has a rich history and showcases beautiful architecture, blending Spanish Colonial and Neoclassical styles. It was designated a basilica in 1976, highlighting its significance in the Catholic Church. The cathedral features stunning stained glass windows and intricate woodwork, making it a popular destination for visitors. It serves as the mother church of the Diocese of St. Augustine and continues to hold regular services and special events, reflecting its active role in the community.