Great choice! Your building is stable enough to take on the Windy City! Diagonals turn rectangles into triangles, and triangles are one of the strongest shapes used in construction today.

and the race to create the tallest building is back in full swing, after the Sears Tower put the conversation to rest for 25 years in 1973. A new skyscraper going up outside of Seoul isn't going ...

According to The Skyscraper Center, the next-tallest completed residential building is Manhattan's 432 Park Avenue at 1,397 feet, which Central Park Tower surpassed in height earlier this year.

The twin towers of the World Trade Center, among the best known buildings in the world, represent only one step in the century-long evolution of skyscrapers in New York City. Here are some ...