The Oceanário de Lisboa is not just an aquarium, but considering its size, a world in and of itself. The Oceanarium, as it's also often referred to, is the world's largest saltwater oceanarium ...

The top reason you might visit the Parque das Nações are for the contemporary architecture and the area's grand Oceanarium (Lisbon Aquarium). Several bus lines, including 5, 25, 28, 44 and 708 ...