Attractive perch on top of the world (8,4)

I believe the answer is:

magnetic pole

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'top of the world' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps you can see an association between them that I can't see?

'attractive perch on' is the wordplay.
'attractive' becomes 'magnetic' (synonyms).
'perch' becomes 'pole' (synonyms).
'on' says to put letters next to each other.
'magnetic'+'pole'='MAGNETIC POLE'

Can you help me to learn more?

(Other definitions for magnetic pole that I've seen before include "a point far from home" , "Compass points to it" .)

I've seen this clue in The Globe and Mail.

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