Fly above the iconic silhouette of the Windy City with this breathtaking drone footage of the Willis Tower (formerly the Sears Tower). Fly through the heart of Chicago's Loop to witness this ...

The Sears Tower was the world’s tallest building until 1996, when it was surpassed by the Petronas Twin Towers in Kuala Lumpur, Malaysia. With clear weather, four states are viewable up to 50 miles ...