Diamond Tower, The Burj Khalifa and CN Tower are known for being tall free standing structures in Dubai, Jeddah and Toronto.
“The Burj Khalifa, known as the Burj Dubai prior to its inauguration in 2010, is a skyscraper in Dubai, United Arab Emirates. At over 828 metres (2,716.5 feet) and more than 160 stories, Burj Khalifa holds the following records: Tallest building in the world. Tallest free-standing structure in the world. Highest number of stories in the world.”