Fort Ontario State Historic Site is located in Oswego, New York, and serves as a historical landmark that showcases military architecture from the 18th century. Originally built in 1755, the fort has played a significant role in various conflicts, including the French and Indian War and the American Revolutionary War. Today, visitors can explore the fort's well-preserved structures, including its walls and barracks, while learning about its history through guided tours and exhibits. The site also offers scenic views of Lake Ontario, making it a popular destination for history enthusiasts and nature lovers alike.