Astor Plaza:
https://www.flickr.com/photos/312175...7669125970446/
100 Park Avenue- this skyscraper was one of the first, if not the first to wear a roof sign like this:
https://www.flickr.com/photos/312175...7669125970446/
345 Park Avenue- I just love all the neat things skyscrapers keep on their roofs:
https://www.flickr.com/photos/312175...7669125970446/
299 Park Avenue- I love how they made the penthouse up top match the rest of the tower- Cute.
https://www.flickr.com/photos/312175...7669125970446/
One Penn Plaza- note the roof signs, made using neon. If they ever replace them, I wonder if they will switch to LEDs
https://www.flickr.com/photos/312175...7669125970446/