The Museu de la Terra is a free museum located in the town of Sant Francesc Xavier. It offers a comprehensive overview of the island's natural history, geology, and ecosystems. Visitors can explore exhibits on the flora and fauna of Formentera, as well as its geological formations and landscapes. The museum also provides information on the island's environmental conservation efforts and sustainable practices. It is a great place to learn about the unique natural heritage of Formentera.