Palais Longchamp is a grand monument in the 4th arrondissement of Marseille, France. Constructed in the 19th century, it was designed to celebrate the construction of the Canal de Marseille, which was vital in bringing water from the Durance River to the city. This impressive structure is a symbol of architectural elegance, combining elements of a water tower, a museum, and a park. The central feature of the Palais Longchamp is its magnificent water fountain, which commemorates the arrival of the water from Durance. Behind this, two wings extend that house the Museum of Fine Arts (Musée des Beaux-Arts) on one side and the Natural History Museum (Muséum d'histoire naturelle) on the other. The lush surrounding gardens, known as the Jardin du Plateau, offer a serene retreat for visitors, showcasing a variety of plant species, statues, and ponds. The Palais also provides panoramic views of the city and is an important cultural and historical site in Marseille, hosting numerous events and exhibitions.