response: There's plenty, such as 30 skyscrapers, two inclined railways, and a pre-revolutionary fortification.
history: I was born in Pittsburgh. Oh cool!  I gather it's an American city in Pennsylvania. I have not been there since I was 2 years old. I don't remember anything about it. Well one thing is that it is currently the 63rd largest city in the US! How many people live there? As of 2017, it was 305,704 people within the city limits. What are some cool things to see there?
knowledge: The city features 30 skyscrapers, two inclined railways, a pre-revolutionary fortification and the Point State Park at the confluence of the rivers.