While in Saint-Malo, consider taking a day trip to the iconic Mont Saint-Michel. This UNESCO World Heritage site is located about an hour's drive from Saint-Malo and is a true architectural marvel. Explore the medieval abbey perched on top of the rocky island and wander through the narrow streets lined with charming shops and restaurants. Enjoy breathtaking views of the surrounding bay and witness the dramatic tides that surround the island. A visit to Mont Saint-Michel is a truly unforgettable experience.