List of tallest structures
The tallest structure in the world is the Burj Khalifa, a skyscraper at 828 m (2,717 ft). Listed are guyed masts (such as telecommunication masts), self-supporting towers (such as the CN Tower), skyscrapers (such as the Willis Tower), oil platforms, electricity transmission towers, and bridge support towers.
Source: Wikipedia — List of tallest structures (CC BY-SA 4.0)