The Dauphin Island Lighthouse is located on Dauphin Island, Alabama, and was first constructed in 1825. This historic lighthouse served as a navigational aid for ships entering Mobile Bay and the Gulf of Mexico. The original structure was replaced in 1868 with the current brick tower, which stands at 113 feet tall. The lighthouse is notable for its unique design and has been a key landmark for over a century. It was decommissioned in 1939 but remains a popular tourist attraction. Visitors can explore the surrounding area and enjoy views of the nearby Gulf of Mexico and Mobile Bay.