Explore Tokyo's ambitious skyscraper proposals, including the X-Seed 4000, Sky Mile Tower, and the grand Tokyo Tower of Babel ...

The Burj Khalifa in Dubai is currently the tallest building in the world at 2,716.5 feet. But in 2019, when the Jeddah Tower is completed in Saudi Arabia, its height of 3,280 feet will set the new ...

According to a report from the World Health Organization, in 2014 cities accounted for 54 percent of the total global population, up from 34 percent in 1960, and continue to grow. This upward trend, ...