Fort St. Elmo is a historic fortress located in Valletta, Malta. Built by the Knights of St. John in the 16th century, it was designed to protect the Grand Harbour and the city from naval attacks. The fort played a significant role during the Great Siege of Malta in 1565, showcasing the military architecture of the time. Today, Fort St. Elmo is a popular tourist attraction and houses the National War Museum. Visitors can explore its well-preserved structures, learn about its history, and enjoy panoramic views of the surrounding area. The fort remains a symbol of Malta's rich military heritage.