St. Marks Lighthouse is located in St. Marks, Florida, and was first lit in 1829. This historic lighthouse stands at 65 feet tall and is made of brick, featuring a distinctive black and white striped pattern. It was built to guide ships navigating the Gulf of Mexico and has been an important navigational aid for over a century. The lighthouse is part of the St. Marks National Wildlife Refuge, which offers a habitat for various wildlife species. Visitors can explore the surrounding area, enjoy scenic views, and learn about the lighthouse's history through informational displays.