8Shanghai Tower, Shanghai, China

  • Height: 632 meters (2,073 feet)
  • Floors: 128
  • Completed: 2015

The Shanghai Tower is not just the tallest building in China but also one of the most technologically advanced skyscrapers in the world. Its twisting, spiral design is intended to reduce wind loads and improve energy efficiency. The building boasts the world’s highest observation deck in a building at 561 meters and has the fastest elevators, traveling at speeds of 20.5 meters per second. The Shanghai Tower is a vertical city in itself, with office spaces, hotels, gardens, and cultural venues all integrated into its floors.