The details of tallest observation decks around the globe have been mentioned in the following part of the article.
Canton Tower is one of the tallest observation decks that has a height of 488M and it is a steel tower that is located in Guangzhou. Shanghai World Financial Center which is a skyscraper is located in Shanghai and has a height of 474M.
Another tall observation deck is Burj Khalifa that is also a skyscraper with height of 452.1 and it is located in Dubai. Tokyo Skytree measures 451.2M in height and it is a steel tower located in Tokyo. The concrete tower called CN Tower is located in Toronto and has a height of 446.7M.
The Willis Tower which is a skyscraper is located in Chicago and has a height of 412.7M whereas Sky 100 International Commerce Centre is also a skyscraper in Hong Kong with height of 393M.
With height of 391.6 M, the Taipei 101 which is a skyscraper also finds a place in the list of tallest observation decks and it is located in Taipei. The Petronas Tower has a height of 370M and it is located in Kuala Lumpur. The Empire State Building that is located in New York City has a height of 369M and it is also a skyscraper.