Visit one of the world’s largest aquariums, Osaka Aquarium Kaiyukan, and ride a replica of the ‘Santa Maria’ around Osaka Bay on this half-day tour, led by an informative guide. At the aquarium's Pan Pacific exhibits, get up close to a Japanese giant salamander at the Japan Forest, an adorable sea otter at the Aleutian Islands, and a ring-tailed coati at the Gulf of Panama, among other creatures. Then board your sightseeing vessel for a journey past Osaka landmarks around the bay.