Need to raise money for a stand alone building for the rescue

I run a cat rescue a 501c3 in North East Pa and we are trying to raise funds for a new building and just daily costs to run the rescue. We rely pretty much on me funding it and donations. We need donations to survive. I've tried my own crowdfunding- not one soul donated :( - I've spent money on FB ads to no avail- I don't know what else to do?