Aquarium Tropical du Palais de la Porte Dorée Tours and Tickets

This small but well-designed aquarium on the lower floor of Paris’ art deco Palais de la Porte Dorée makes a great rainy-day stop for families and anyone with a keen interest in marine life. More than 300 species of colorful fish, coral, stingrays, and other aquatic creatures fill the historic exhibit hall, which is a work of art unto itself.