Nausicaá National Sea Centre, located in Boulogne-sur-Mer, France, is one of the largest aquariums in Europe. It showcases a diverse range of marine life, including fish, sharks, and sea turtles, in immersive exhibits that highlight ocean ecosystems. The center aims to educate visitors about marine conservation and the importance of protecting our oceans. Opened in 1991, Nausicaá features over 5,000 animals and 58,000 gallons of water. Its main attractions include the Giant Ocean Tank, where visitors can observe various species swimming together, and interactive displays that engage guests in learning about marine biodiversity and environmental issues.