UnderWater World Guam
United States · built 1999
Aquarium of Guam (formerly UnderWater World Guam) is a public aquarium in Tumon, Guam. It features one of the longest tunnel-aquariums in the world and the only oceanarium in the United States territory of Guam. The aquarium is currently closed to the public while undergoing a major renovation and redevelopment.
Zoo data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).