Immerse yourself in a world of 15,000 aquatic animals and discover your own underwater adventure. The Aquarium features North America’s longest underwater viewing tunnel, more than 5.7 million litres of water and has over 100 interactive opportunities including three touch pools featuring horseshoe crabs, sharks, and rays. This awe-inspiring new attraction consist of nine carefully curated galleries showcasing a cross section of saltwater and freshwater environments from around the world – starting with species from Toronto’s backyard, the Great Lakes basin. Located right next to the CN Tower. Please check the website for rates.