Located in bustling Toronto, the Ontario Science Centre is one of the city’s most popular attractions, having welcomed over 50 million visitors since its inception in 1969. Once you step inside, it’s not hard to see why. With over 500 interactive exhibits, an outdoor Nature Escape in the Don River Valley Ravine, and 150 years of innovative Canadian inventions that transformed the world, it’s not hard to get excited about exploring the entire space from top to bottom.