Robert Wison Art Center in Water Mill New York aka The Watermill Center

The center is a "laboratory for performance". Their annual benefit gala is a who's who of the weird shit crowd.

https://news.artnet.com/art-world/watermill-center-benefit-2015-319899

The well known "spirit cooking" image of Gaga was taken at this gala. In the woods. Do image search. Lots there. They seem to have some kind of "summer camp" for kids.