No.
Yes, it's the Foundation for Jewish Camp, please see the related link.
The Jews were told that they were going to be 'resettled'. They often took clothing, blankets, cooking utensils and valuables with them.
Usually children (under 14 or 15) were gassed as soon as possible after arrival at extermination camps. They were not sent to ordinary concentration camps.
It is located in the heart of the Adirondack Mountains.