White dog shit. You don't see that in parks these days.
We'd dam the stream in the woods, crawl through the culvert under the road, or make a very high rope swing from a tree over the steep hill. I don't recall any bad injuries, my worst injuries were falling off my bike, without a helmet, and ripping my face to shreds face planting the road, did that more than once.
I wonder about how we let our kids play today, my wife won't let our son go to the shop alone, at 8 I walked home from school with my little sister in tow, only 30 something years ago.