The Palais des Papes in Avignon is the world's largest Gothic palace, built as a monumental fortress serving as the residence of nine popes during the 14th century. This architectural masterpiece, designed to impress and protect an entire papal court, features 25 rooms decorated with 14th-century frescoes by Italian artist Matteo Giovannetti, including rare medieval depictions of landscapes and animals. Visitors can explore guided tours explaining papal life and ceremonial practices, restored pontifical gardens, and temporary exhibitions using interactive digital tools available in multiple languages.