Main views of America's capital — son flies around it (9)

'main views' is the definition.
The definition and answer can be both man-made objects as well as being plural nouns.
Perhaps there's an association between them I don't understand?

'america's capital son flies around it' is the wordplay.
'capital' says to take the initial letters.
'son' becomes 's' (genealogical abbreviation for son).
'flies' becomes 'escapes' (escaping is a kind of flying).
'around it' means one lot of letters goes inside another.
The first letter of 'americas' is 'a'.
's'+'escapes'='sescapes'
'a' inserted within 'sescapes' is 'SEASCAPES'.

'of' is the link.

Can you help me to learn more?