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10 of the world's most impressive aquariums

June 24, 2013, 11:18 a.m.
AQWA reefwalker

Photo: AQWA

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AQWA, Perth, Australia

The Aquarium of Western Australia, often referred to using the acronym AQWA, is not one of the world's largest aquatic exhibit halls, but it does house marine animals from Australia's coastlines not seen in other aquariums. Sitting in the city of Perth, AQWA's most popular feature is an underwater glass tunnel passing along the bottom of several habitats. Interactive attractions include an off-site ocean safari, a guided swim through AQWA's shark tank and an underwater walk through a real coral reef (shown here) — one of the largest of any aquarium in the world.