The Palais Longchamp consists of two main buildings connected by a large park. The first building is the Musée des beaux-arts de Marseille, which houses a collection of art from the 16th to the 19th centuries. The second building is the Muséum d'histoire naturelle de Marseille, which contains exhibits on natural history and geology.
The park surrounding the Palais Longchamp is called the Parc Longchamp and is a popular spot for locals and tourists to relax and enjoy the scenery. It features several fountains and statues, as well as a large pond with swans.
The Palais Longchamp is considered one of the most important landmarks in Marseille and is a popular tourist attraction. It has also been designated as a French national monument.