>> the buildings that connect them on the 27 and a half acre are vacant and have been unused for nearly half a century. they have run out the money and if the group doesn't raise $500,000, it will have to return $512,000 in grant money which will bring all operations to a screeching halt. >> it's an expensive venture and in the middle of the hudson river it's more expensive. >> it was home to immigration stations, 750 bed hospital or 1.2 immigrants were inspected and treated. lives were saved and lost. campus includes a infectious disease ward and a building that has the original machinery. >> this is a room that the public can't see right now? >> no, these buildings have been