Real estate magnate Joseph Chetrit, developer Joseph Moinian and Skokie-based American Landmark Properties bought the tower for $840 million in 2004. Blackstone Group purchased it in 2015. Sears gave ...

Here’s some background information about Willis Tower, formerly the Sears Tower, located in Chicago. Facts The Sears Tower was the world’s tallest building until 1996, when it was surpassed by the ...

From buildings with their own zip codes to corn cob-inspired residential towers, welcome to the most famous architecture in ...