Falmouth is a town on the coast of Cornwall in southwest England. It’s known for its deep natural harbor on the Fal Estuary, and beaches like Swanpool and Gyllyngvase. The National Maritime Museum Cornwall has interactive galleries and a flotilla of model boats. On Pendennis Point, Pendennis Castle is a well-preserved 16th-century fortress built by Henry VIII. To the southwest, Trebah Garden has subtropical plants.