The Lisbon Oceanarium is an oceanarium in Lisbon, Portugal. It is located in the Parque das Nações, which was the exhibition grounds for the Expo '98. It is the largest indoor aquarium in Europe.
The Lisbon Oceanarium’s conceptual design, architecture, and exhibit design was led by Peter Chermayeff of Peter Chermayeff LLC while at Cambridge Seven Associates. It is said to resemble an aircraft carrier, and is built on a pier in an artificial lagoon. Chermayeff is also the designer of the Osaka Oceanarium Kaiyukan, one of the world's largest aquariums, and many other aquariums around the world. (Wikipedia)