The picturesque city of Leiden is a great place to visit for its scenic, tree-lined canals that are marked with old windmills, wooden bridges and lush parks. A boat ride down one of these lovely canals makes for an unforgettable experience. Attractions in Leiden include the numerous museums that range from science and natural history to museums dedicated to windmills and Egyptian antiquities. The Hortus Botanicus offers sprawling botanical gardens and the world’s oldest academical observatory. Visitors can also admire the beautiful architecture of the 16th century Church of St. Peter and check out its association with several historic people, including the American pilgrims.