If you have a relative who's gone missing in New York, it might be worth learning more about Hart Island. It's estimated that 800,000 people have been buried at Hart Island, New York City's largest potter field, from 1869 to the present.
A remarkable woman named Melinda Hunt has made it her mission to help those buried there be known. Most recently, she managed to obtain -- through the Freedom of Information Act -- a list of the 50,000 buried there since 1985. Read more here: