Pittsburgh - The city of Bridges. Pittsburgh was a centre of American industry from the late 19th through the mid-20th centuries. The city was responsible for many of the raw materials that powered the American economy. With more bridges than Venice (Italy), or any city in the world. Pittsburgh was also the birthplace of the Big Mac and the Emoticon. Our Pittsburgh city silhouette includes: - Acrisure Stadium (Heinz Stadium) - Fred Mister Rogers Memorial - Fort Duquesne Bridge - Fifth Avenue Place - One PPG Place - Gulf Tower - The Tower at PNC Plaza - US Steel Tower - BNY Mellon Centre - One Oxford Centre - The Westinghouse Tower - Fort Pitt Block House - Fort Pitt bridge - The Incline Designed in London, exclusively by Siluet - City Silhouettes.