When Francis was dieing, he asked the brothers to bring him down the hill to his beloved Porziuncola. They placed his litter against the outside wall. He told them that the Porziuncola was a very holy place; that God and His Blessed Mother were there and that whoever entered with a humble heart, whatever they asked for would be granted.
I can personally attest to this, as it was in response to a final prayer made in the Porziuncola that God sent me the greatest gift in my life, my daughter.
Because Francis (and Clare) took a vow of poverty, he could not own any property. The Dominicans donated this small church to Francis for his order. The building is now surrounded by a huge cathedral, "Santa Maria degli Angeli". Inside the Porziuncola, there are only a few small pews on each side. As you can see, the building is quite small but to Francis and his brothers, it was the first church of their order.