Touching the 305m, Sydney tower is the tallest free standing structure in Sydney and second tallest in Australia. For its beauty and practicality, Sydney Tower is also a member of the World Federation of Great Towers. The construction of the tower was started in the year 1975 and was completed in the year 1981. There are three main sections in the tower that are open to public. The observation deck which is at a height of 250 m offers a magical views of Sydney in all directions. Above that, Sydney Tower Skywalk provides open air sightseeing experience.