Loch Leven Castle is a historic fortress located on an island in Loch Leven, Scotland. Built in the 13th century, it served as a royal residence and played a significant role in Scottish history. The castle is best known for its association with Mary, Queen of Scots, who was imprisoned there in 1567. Visitors can access the castle by a short boat ride from the mainland. The ruins include a tower house and several defensive structures, offering insights into medieval architecture. The surrounding landscape is picturesque, making it a popular destination for tourists and history enthusiasts alike.