This park, located along Pelham Parkway in the Bronx, commemorates five wars: WWI, WWII, the Korean War, the Vietnam War, and the Persian Gulf War. The WWII stele bears the following inscription:
TO THE GERMAN GENERAL
"NUTS"
FROM THE AMERICAN GENERAL
They were tied around at least half the trees on this side of the block. An anti-drug statement?
Still labeled as such on many maps, it's now a footpath around Bissel Gardens.
You see this occasionally in New York, although I'm not sure why. At least in this case, I don't think there was ever a streetcar line here from which it could be a remnant. The elevated 5 train is nearby; did the spike wander off one day in search of an easier life? Perhaps spikes make good impromptu tools in road construction?
The big machine in the opposite crosswalk is a saw that cuts into pavement. The water is necessary to cool the saw blade and keep the dust from becoming airborne.