Pittsburgh’s history as an industrial hub began with coal mining, steel, and glass production. Until 1990, Pittsburgh engineers and steel were part of every 40-story–or-taller skyscraper in the world. Today, 1,600 technology companies, from huge corporations to hot new start-ups, maintain Pittsburgh offices, almost a third of Carnegie Mellon University students are enrolled in the School of Engineering, also known as the Carnegie Institute of Technology (you may have read about its respected robot reputation). Nearby, the University of Pittsburgh has one of the nation’s oldest engineering programs and the Swanson School of Engineering is renowned for being on the cutting-edge of biomedical engineering, energy, and sustainability. Because three rivers, the Allegheny, the Monongahala and the Ohio, converge in Pittsburgh, the city has some impressive civil engineering landmarks including the Davis Island Lock and Dam and the Smithfield Street Bridge. Experience 1800s engineering on the Duquesne Incline. The Carnegie Science Center offers inspiring STEM exhibits. The city’s David L. Lawrence Convention Center was the world’s first “green” convention center. And sports fans know, Pittsburgh’s home to Steelers, Penguins and Pirates. If you have time, 90-minutes away, you’ll find three Frank Lloyd Wright masterpieces: Fallingwater, Duncan House, and Kentuck Knob.