The Palais de la Porte Dorée is an exhibit hall located on the edge of the Bois de Vincennes at 293, avenue Daumesnil, 12th arrondissement of Paris, France. It now houses the Cité nationale de l'histoire de l'immigration, as well as a tropical aquarium in its cellar.
The building was constructed for the Paris Colonial Exposition of 1931 to designs by French architect Albert Laprade, Léon Jaussely and Léon Bazin. It provides 16,000 m² of exhibition and office space. External bas-reliefs (1200 m²) by sculptor Alfred Janniot portray ships, oceans, and wildlife including antelopes, elephants, zebras, and snakes.
The Palais de la Porte Dorée has housed a succession of ethnological museums, starting with the colonial exhibition of 1931, which was renamed in 1935 the Musée de la France d’Outre-mer, then in 1960 the Musée des Arts africains et océaniens, and finally in 1990 the Musée national des Arts d'Afrique et d'Océanie. In 2003 these collections were merged into the Musée du quai Branly, and in its place the building now houses the Cité nationale de l'histoire de l'immigration.
The building's cellar is home to the Dorée Tropical Aquarium (French: Aquarium du palais de la Porte Dorée), which contains about 5,000 animals representing 350 species in a variety of tanks ranging from 100 to 370,000 l (26 to 97,744 US gal) in size.