San Agustin is a historic town located in Florida, known for being the oldest continuously inhabited European-established settlement in the continental United States. Founded in 1565 by Spanish explorer Pedro Menéndez de Avilés, it features a rich blend of Spanish colonial architecture and cultural heritage. The town is famous for landmarks such as the Castillo de San Marcos, a 17th-century fortress, and the Lightner Museum, which showcases art and antiques. Visitors can explore cobblestone streets, enjoy local cuisine, and learn about the area's history through various museums and guided tours.