Fort Barrancas is a historic military fort located in Pensacola, Florida. Built in the 1830s, it was designed to protect the entrance to Pensacola Bay and the nearby Naval Air Station Pensacola. The fort features a unique design with brick and masonry walls, showcasing the military architecture of its time. The fort played a significant role during the Civil War and was occupied by both Confederate and Union forces. Today, Fort Barrancas is part of the Gulf Islands National Seashore and serves as a popular site for visitors interested in history and military heritage.