Before taking on the Burj Khalifa challenge, Robert climbed more than 70 towers, including New York’s Empire State Building, the Petronas Towers in Kuala Lumpur, and Chicago's Willis Tower.

The Jeddah Tower will be over a kilometer tall, overtaking the current leader in Dubai, the Burj Khalifa, which stands ... Park Tower in New York, and Willis Tower in Chicago.

The newest tallest tower in the world is coming to dethrone the Burj Khalifa. The Tower at Dubai Creek Harbor will stand 3,045 feet tall, 328 feet taller than the Burj. The project is expected to ...