I came across this place by accident. Rose Haven was a resort in the Catskill Mountains, near Cairo, New York, that has been abandoned for some time. Sadly, the only thing left of this place was the foundations of where the buildings used to stand, and of course, the steel deck swimming pool, which I photographed above.
UPDATE: The following photograph has been graciously provided to me since this post was first published.
UPDATE: More pictures provided by Jim Velsor.