Did you know that the futuristic Toronto City Hall, built in 1965, was featured in a Star Trek: The Next Generation episode? Its shape of a flying saucer flanked by curved towers is still one-of-a-kind and a great setting for firework displays and special events, thanks to the vast Nathan Phillips Square surrounding it. Come inside to check the scaled model of downtown Toronto, and don’t miss Metropolis, the large mural by the entrance, made out of 100,000 nails. The giant rounded structure inside the rotunda is quite impressive when seen from below. It overlooks the Council Chamber.