CN Tower Once classified one of the Wonders of the Modern World, CN Tower was originally built to broadcast signals for the Canadian National railway company. CN Tower is Canada's most celebrated architectural triumph and is a must-see destination. Toronto Zoo With a refurbished and expanded polar bear habitat, a new endangered African penguin exhibit, and more than six miles (10 km) of walking trails, there’s plenty to do and see at Toronto Zoo. Ripley's Aquarium of Canada Ripley's Aquarium of Canada is home to 16,000 animals, 100 interactive displays and three touch exhibits featuring sharks, stingrays, and horseshoe crabs. The Aquarium is also home to North America's longest underwater viewing tunnel! Royal Ontario Museum With exhibits and displays covering dinosaurs, ancient Egypt, Canadian history and more there's something for everyone at Canada's largest museum of natural history and world cultures. Ontar...