High line at sunset - Obvious choice but still magic.the chaos mixture of vegetation art and perambulation and good excuse to see the shows in Chelsea, the light there end of day in autumn is transportive.
Having the experience of owning and running a coral reef aquarium (and frequenting this particular shop about once a week) - I was sad to hear it closed it's doors. Their reef display tank was always amazing. These pictures were taken from PetCo at Union Square (I also used to go there for my saltwater needs).
The different views of the skyline are unbelievable. I especially like rooftop views from different apartment buildings. Try to get on top of an apartment building. This is the view from my apartment...