The Musée de la Mer - Galerie des Merveilles is a free museum that showcases a collection of seashells and other marine artifacts. Located in the old town of Cannes, the museum offers a fascinating journey into the world of shells. Visitors can admire the intricate designs and vibrant colors of various shells, learn about their origins, and discover interesting facts about marine life. The museum also hosts temporary exhibitions and workshops related to seashells and marine biology.