The Hospitaller Fortress in Acre, also known as the Knights' Halls, is a testament to the city's rich medieval history. Founded by the Knights Hospitaller, this fortress served as a stronghold during the Crusades, a series of religious wars in the 12th and 13th centuries. Its well-preserved architecture offers a glimpse into the lives of the knights, showcasing massive halls, intricate vaults, and a grand refectory. Visitors can explore the fortress and imagine the bustling activity of the past, making it a captivating site for history enthusiasts.