Italy

Su filindeu, or "threads of God," is the rarest pasta in the world. For a century, it was made by a single family in the Sardinian city of Nuoro for religious celebrations. Today, there are fewer than 10 people there who know the secret to making the pasta as thin as a strand of hair.

Imagine paying as little as 1 euro for a home. That's what happened in Italy a few years ago.

The plan was to inject life and money back into dying towns. But for many foreign buyers, it wasn't smooth sailing. We traveled to Sicily to find out how much buyers actually ended up spending.