In which sentence is the geographical name correctly punctuated?

we visited the chrysler building new york, new york, the summer after my freshman year.
we visited the chrysler building, new york, new york the summer after my freshman year.
we visited the chrysler building, new york, new york, the summer after my freshman year.
we visited the chrysler building new york new york the summer after my freshman year.
7. read the sentence.

my dad, aunt maria, uncle diego, and my cousin were all there, but mom couldnít come.

which is the correct way to capitalize this sentence