Rialto Towers observation deck (Melbourne) is now closed to the public. Superfluous with nearby Eureka Tower.
It is cool to see how many of these I have actually visited.
Vancouver's is missing (Harbour centre) from the list. As are the two observation towers on the Canadian side of Niagara Falls.
The modern conservative is engaged in one of man's oldest exercises in moral philosophy; that is, the search for a superior moral justification for selfishness.
John Kenneth Galbraith