The Apostle Islands are a group of 21 islands located in Lake Superior, off the coast of Wisconsin. They are known for their stunning natural beauty, featuring sea caves, sandy beaches, and lush forests. The islands are part of the Apostle Islands National Lakeshore, which was established to protect their unique ecosystems and cultural history. Visitors to the Apostle Islands can enjoy various outdoor activities, including hiking, kayaking, and camping. The area is also famous for its historic lighthouses, some of which date back to the 19th century. The islands are a popular destination for nature lovers and adventure seekers alike.