San Juan Islands National Historical Park is located in the San Juan Islands of Washington State. Established in 1966, the park preserves significant historical sites related to the Pig War, a boundary dispute between the United States and Great Britain in the 19th century. The park includes several islands, such as San Juan Island and Stuart Island, offering visitors a glimpse into the region's rich history and natural beauty. The park features various recreational activities, including hiking, kayaking, and wildlife viewing. Visitors can explore historic sites like English Camp and American Camp, which showcase the area's military history. The park is also home to diverse ecosystems, making it a great destination for nature enthusiasts.