Update — Fall 2017: All the rails here got knobbed.
Three consecutive sets of five stairs with kinked rails down them, low handicap ramp rails, and the occasional pile of human excrement.
Bust — ♦♦♦♦♦: Skateboarding is forbidden by park rules. The Parks Department usually does not hassle you though, but it has been known to happen on rare occasions.
Location: 27th Street and Second Avenue in Kips Bay. Take the 4, 5 or 6 to 23rd Street, skate east for two blocks along 23rd, make a left on Second Avenue and skate north for four blocks.
Pictures (Click to Enlarge):