This water sprayground is a hidden gem on the UWS with shady trees, picnic tables, and shooting water geysers for our little ones to explore and get soaking wet!
This Arthur Ross terrace sprayground is on the property of the American Museum of Natural History, but you don;t have to pay museum admission to use it. You may enter the museum entrance on 81st betwwen CPW & Columbus and they will direct you OR You can use the outdoor stairs to terrace on 81st between CPW & Columbus.
Bring swim clothes and a bucket. For the little ones, the water pools up by the planetarium sphere makes for a splashing good time.
check this pic out from nighttime: http://ggnltd.com/projects_detail.php?id=1