Sydney Tower (also known as the Sydney Tower Eye, AMP Tower,
Westfield Centrepoint Tower, Centrepoint Tower or just Centrepoint)
is Sydney's tallest free-standing structure, and the second tallest in Australia .
It is also the second tallest observation tower in the Southern Hemisphere .
The Sydney Tower is a member of the World Federation of Great Towers.
The tower stands 309 m (1,014 ft) above the Sydney CBD,.
The tower is open to the public, and is one of the most
prominent tourist attractions in the city, being visible
from a number of vantage points throughout town and from adjoining suburbs.