Thanks to advice from Christian, I was able to find easy access to the High Line in Chelsea. The High Line is an old elevated train track that snakes along the west side of Manhattan. I've been a fan of the High Line because it combines all the joy of relaxing in a park with the thrill of playing on train tracks.
Its a bit hard to figure out from the current construction what the final vision is, but thankfully Curbed just posted some new renderings of the park design:
